Cita APA (7a ed.)

Rogers, C. R. (1970). Carl Rogers on encounter groups. Harper & Row.

Cita Chicago Style (17a ed.)

Rogers, Carl R. Carl Rogers on Encounter Groups. New York [etc.]: Harper & Row, 1970.

Cita MLA (9a ed.)

Rogers, Carl R. Carl Rogers on Encounter Groups. Harper & Row, 1970.