APA (7th ed.) Citation

Zadeh, L. A., & Polak, E. (1969). System theory. McGraw-Hill.

Chicago Style (17th ed.) Citation

Zadeh, Lotfi A., and E. Polak. System Theory. New York: McGraw-Hill, 1969.

MLA (9th ed.) Citation

Zadeh, Lotfi A., and E. Polak. System Theory. McGraw-Hill, 1969.