Cita APA (7a ed.)
Babbie, E. (2010). The practice of social research (12th ed.). Thomson/Wadsworth.
Cita Chicago Style (17a ed.)
Babbie, Earl. The Practice of Social Research. 12th ed. Belmont, CA: Thomson/Wadsworth, 2010.
Cita MLA (9a ed.)
Babbie, Earl. The Practice of Social Research. 12th ed. Thomson/Wadsworth, 2010.
Precaución: Estas citas no son 100% exactas.