Cita APA (7a ed.)

Blumberg, H. H. (1983). Small groups and social interaction. John Wiley & Sons.

Cita Chicago Style (17a ed.)

Blumberg, Herbert H. Small Groups and Social Interaction. Chichester [etc.]: John Wiley & Sons, 1983.

Cita MLA (9a ed.)

Blumberg, Herbert H. Small Groups and Social Interaction. John Wiley & Sons, 1983.