Cita APA (7a ed.)

Bertalanffy, L. v. (1993). General system theory: : foundations, development, applications (11th print.). George Braziller.

Cita Chicago Style (17a ed.)

Bertalanffy, Ludwig von. General System Theory: : Foundations, Development, Applications. 11th print. New York: George Braziller, 1993.

Cita MLA (9a ed.)

Bertalanffy, Ludwig von. General System Theory: : Foundations, Development, Applications. 11th print. George Braziller, 1993.