Cita APA (7th ed.)

Doob, C. B., & Hartman, L. (1997). Sociology: An introduction (5th ed.). Harcourt Press.

Cita Chicago (17th ed.)

Doob, Christopher Bates, i Laura Hartman. Sociology: An Introduction. 5th ed. Fort Worth: Harcourt Press, 1997.

Cita MLA (9th ed.)

Doob, Christopher Bates, i Laura Hartman. Sociology: An Introduction. 5th ed. Harcourt Press, 1997.