The practice of social research
MLA
Babbie, Earl R.
The Practice of Social Research. Thirteenth edition. Wadsworth: Cengage Learning, 2013.
APA
Babbie, E. R. (2013).
The practice of social research. Thirteenth edition. Wadsworth: Cengage Learning.
Chicago
Babbie, Earl R.
The Practice of Social Research. Thirteenth edition. Wadsworth: Cengage Learning, 2013.