Citazione Stile APA (7a Edizione)

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

Citazione stile Chigago Style (17a edizione)

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

Citatione MLA (9a ed.)

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