APA (7th ed.) Citation

Gray, W., Rizzo, N. D., & Bertalanffy, L. v. (1973). Unity through diversity: A festschrift for Ludwig von Bertalanffy. Gordon and Breach Science.

Chicago Style (17th ed.) Citation

Gray, William, Nicholas D. Rizzo, and Ludwig von Bertalanffy. Unity Through Diversity: A Festschrift for Ludwig Von Bertalanffy. New York [etc.]: Gordon and Breach Science, 1973.

MLA (9th ed.) Citation

Gray, William, et al. Unity Through Diversity: A Festschrift for Ludwig Von Bertalanffy. Gordon and Breach Science, 1973.