Cita APA (7th ed.)

Knowles, M. S., & Knowles, H. (1972). Introduction to group dynamics (Rev. ed.). Association Press.

Cita Chicago (17th ed.)

Knowles, Malcolm Shepherd, i Hulda Knowles. Introduction to Group Dynamics. Rev. ed. New York: Association Press, 1972.

Cita MLA (9th ed.)

Knowles, Malcolm Shepherd, i Hulda Knowles. Introduction to Group Dynamics. Rev. ed. Association Press, 1972.