Introduction to systems theory

MLA

Director, Stephen W. and Ronald A. Rohrer. Introduction to systems theory. New York : McGraw-Hill, [1971, c1972]

APA

Director, S. & Rohrer, R. (1971). Introduction to systems theory. New York : McGraw-Hill.

Chicago

Director, Stephen W. and Ronald A. Rohrer. Introduction to systems theory. New York : McGraw-Hill, [1971, c1972]