Cita APA (7a ed.)

Gulley, H. E. (1960). Discussion, conference, and group process (2nd ed.). Holt, Rinehart and Winston.

Cita Chicago Style (17a ed.)

Gulley, Halbert E. Discussion, Conference, and Group Process. 2nd ed. New York [etc.]: Holt, Rinehart and Winston, 1960.

Cita MLA (9a ed.)

Gulley, Halbert E. Discussion, Conference, and Group Process. 2nd ed. Holt, Rinehart and Winston, 1960.