Cita APA (7a ed.)

Hyman, H. H., & Singer, E. (1968). Readings in reference group theory and research. The Free Press.

Cita Chicago Style (17a ed.)

Hyman, Herbert H., y Eleanor Singer. Readings in Reference Group Theory and Research. New York: The Free Press, 1968.

Cita MLA (9a ed.)

Hyman, Herbert H., y Eleanor Singer. Readings in Reference Group Theory and Research. The Free Press, 1968.