Laszlo, E. (1972). The Relevance of General Systems Theory: Papers Presented to Ludwig von Bertalanffy an His Seventieth Birthday. New York: George Braziller.
Citação norma ChicagoLaszlo, Ervin. The Relevance of General Systems Theory: Papers Presented to Ludwig Von Bertalanffy an His Seventieth Birthday. New York: George Braziller, 1972.
Citação norma MLALaszlo, Ervin. The Relevance of General Systems Theory: Papers Presented to Ludwig Von Bertalanffy an His Seventieth Birthday. New York: George Braziller, 1972.
Nota: a formatação da citação pode não corresponder 100% ao definido pela respectiva norma.