APA (7th ed.) Citation

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

Chicago Style (17th ed.) Citation

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

MLA (9th ed.) Citation

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