Cita APA (7th ed.)

Berrien, F. K. (1968). General and social systems. Rutgers University Press.

Cita Chicago (17th ed.)

Berrien, Frederick Kenneth. General and Social Systems. New Brunswick, N.J: Rutgers University Press, 1968.

Cita MLA (9th ed.)

Berrien, Frederick Kenneth. General and Social Systems. Rutgers University Press, 1968.