Cita APA (7a ed.)

Wiersma, W. (1995). Research methods in education: An introduction (6th ed.). Allyn and Bacon.

Cita Chicago Style (17a ed.)

Wiersma, William. Research Methods in Education: An Introduction. 6th ed. Boston: Allyn and Bacon, 1995.

Cita MLA (9a ed.)

Wiersma, William. Research Methods in Education: An Introduction. 6th ed. Allyn and Bacon, 1995.