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: 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.