Cita APA (7a ed.)

Johnson, D. W. (1982). Joining together: Group theory and group skills. Prentice-Hall.

Cita Chicago Style (17a ed.)

Johnson, David W. Joining Together: Group Theory and Group Skills. Prentice-Hall, 1982.

Cita MLA (8a ed.)

Johnson, David W. Joining Together: Group Theory and Group Skills. Prentice-Hall, 1982.