Cita APA (7a ed.)

Geyer, R. F. (1980). Alienation theories: A general systems approach. Pergamon.

Cita Chicago Style (17a ed.)

Geyer, R. Felix. Alienation Theories: A General Systems Approach. Oxford [etc.]: Pergamon, 1980.

Cita MLA (9a ed.)

Geyer, R. Felix. Alienation Theories: A General Systems Approach. Pergamon, 1980.