APA aipamena

Bertalanffy, L. v., & Laszlo, E. (1972). The Relevance of general systems theory: Papers presented to Ludwig von Bertalanffy on his seventieth birthday. G. Braziller.

Chicago Style aipamena

Bertalanffy, Ludwig von, and Ervin Laszlo. The Relevance of General Systems Theory: Papers Presented to Ludwig Von Bertalanffy on His Seventieth Birthday. New York: G. Braziller, 1972.

MLA aipamena

Bertalanffy, Ludwig von, and Ervin Laszlo. The Relevance of General Systems Theory: Papers Presented to Ludwig Von Bertalanffy on His Seventieth Birthday. G. Braziller, 1972.