APA (7th ed.) Citation

Bertalanffy, L. v. (1973). General system theory: Foundations, development, applications. Penguin.

Chicago Style (17th ed.) Citation

Bertalanffy, Ludwig von. General System Theory: Foundations, Development, Applications. Harmondsworth [etc.]: Penguin, 1973.

MLA (9th ed.) Citation

Bertalanffy, Ludwig von. General System Theory: Foundations, Development, Applications. Penguin, 1973.

Warning: These citations may not always be 100% accurate.