Citation
APA method usually uses author (surname only) and date (year only) method of in-text citation
Islam (2012) concludes that the poverty condition of the country
Poverty condition of the country is deteriorating (Islam, 2012)……..
Several studies found the fact that Bangladesh GDP is supposed to increase (Rahman, 2011; Kalam, 2012; and Islam, 2011)………
If there are two authors, you just write: Rahman and Kashem, 2012
If there are three to five authors, then at the first time mention all the names.
In the subsequent mentioning just write the surname of the first author and et al Donn, Routh, and Lunt (2000) explore the history of clinical training . . .
Subsequently: Donn et al. (2000)…….
If there are six or more authors then start with et al.
Jansen et al. (2012) find that the reasons of smoking……..

Reference(s): Books
Common format:
Surname, Initials. (Date). Title (ed.). Place of publication: Publisher
Examples:
Comfort, A. (1997). A good age. London: Mitchell Beazley
Wit, J. S., Poneman, D. B., & Gallucci, R. L. (2004). Going critical: The first
North Korean nuclear crisis. Washington, DC: Brookings Institution Press
Roeder, K., Howdeshell, J., Fulton, L., Lochhead, M., Craig, K., Peterson,
R., et.al. (1967). Nerve cells and insect behavior. Cambridge, MA:
Harvard University Press
If you want to refer a chapter of a book, then the format is
Surname, Initials. (Date). Chapter title. In Editor initial(s). Editor surname
(Ed.), Book title (pp. page numbers). Place of publication: Publisher
Example:
Blaxter, M. (1976). Social class and health inequalities. In C. J. Carter
(Ed.), Equalities and inequalities in health (pp. 120-135). London:
Academic Press

Reference(s): Journal Articles
Common Format:
Surname, Initials. (Date). Title of article. Title of Periodical, volume(issue number), page numbers
Examples:
Wharton, N. (1996). Health and safety in outdoor activity centers.
Journal of Adventure Education and Outdoor Leadership, 12(4), 8-9
VandenBos, G., Knapp, S., & Doe, J. (2001). Role of reference elements in the selection of resources by psychology undergraduates. Journal of
Bibliographic Research, 5(1), 117-123
If the journal is in press, write in press in place of year and skip the volume number and issue number
Tristan, P. L., & Morris, J. L. (in press). Natural selection and cognitive appraisal – survival of the fittest thoughts? Journal of Cognition

Reference(s): Others
Magazine Article:
Thomas, E., & Turque, B. (2000, August 21). Gore: The precarious prince.
Newsweek, 38-41
Newspaper Article:
Hoagland, Jim. (2000, August 20). The Concord and the Kursk.
Washington Post
Work by corporate author:
United Nations. (1999). Rome statute of the international criminal court.
Social Justice, 26(4), 125-143
If collected from website:
Format: Surname, Initials. (date of publication). Title. Organization.
Retrieved date of retrieval, from URL
Sopensky, E. (2002). Ice rink becomes hot business. Austin Business Journal.
Retrieved
October
16,
2011, from http://www.bizjournals.com/austin/stories/2002/10/14/smallb1.html