APA-viite (7. p.)

Schaefer, R. T. (2019). Sociology: A brief introduction (Thirteenth edition.). McGraw-Hill Education.

Chicago-viite (17. p.)

Schaefer, Richard T. Sociology: A Brief Introduction. Thirteenth edition. New York, NY: McGraw-Hill Education, 2019.

MLA-viite (8. p.)

Schaefer, Richard T. Sociology: A Brief Introduction. Thirteenth edition. McGraw-Hill Education, 2019.