Cita APA (7a ed.)

Berlage, G., & Egelman, W. (1990). Understanding social issues: Sociological fact finding (2nd ed.). Allyn and Bacon.

Cita Chicago Style (17a ed.)

Berlage, Gai, y William Egelman. Understanding Social Issues: Sociological Fact Finding. 2nd ed. Boston: Allyn and Bacon, 1990.

Cita MLA (8a ed.)

Berlage, Gai, y William Egelman. Understanding Social Issues: Sociological Fact Finding. 2nd ed. Allyn and Bacon, 1990.