APA (7th ed.) Citation

Director, S. W., & Rohrer, R. A. (1972). Introduction to systems theory (1. print.). McGraw-Hill.

Chicago Style (17th ed.) Citation

Director, Stephen W., and Ronald A. Rohrer. Introduction to Systems Theory. 1. print. New York [u.a.]: McGraw-Hill, 1972.

MLA (9th ed.) Citation

Director, Stephen W., and Ronald A. Rohrer. Introduction to Systems Theory. 1. print. McGraw-Hill, 1972.