Cita APA (7a ed.)

Napier, R., & Gershenfeld, M. K. (1981). Groups, theory and experience (2nd ed.). Houghton Mifflin.

Cita Chicago Style (17a ed.)

Napier, Rodney, y Matti K. Gershenfeld. Groups, Theory and Experience. 2nd ed. Boston: Houghton Mifflin, 1981.

Cita MLA (9a ed.)

Napier, Rodney, y Matti K. Gershenfeld. Groups, Theory and Experience. 2nd ed. Houghton Mifflin, 1981.