Cita APA (7th ed.)

Clark, S. G., & Gilman, B. (1976). Personalized system of instruction for Sociology: Human society (2nd ed.). Scott Forseman.

Cita Chicago (17th ed.)

Clark, Susan G., i Bernard Gilman. Personalized System of Instruction for Sociology: Human Society. 2nd ed. Glenview, Ill: Scott Forseman, 1976.

Cita MLA (9th ed.)

Clark, Susan G., i Bernard Gilman. Personalized System of Instruction for Sociology: Human Society. 2nd ed. Scott Forseman, 1976.