Cita APA (7a ed.)

DIRECTOR, S. W. (1972). Introduction To Systems Theory Tephen W. Director. McGraw-Hill.

Cita Chicago Style (17a ed.)

DIRECTOR, Stephen W. Introduction To Systems Theory Tephen W. Director. McGraw-Hill, 1972.

Cita MLA (8a ed.)

DIRECTOR, Stephen W. Introduction To Systems Theory Tephen W. Director. McGraw-Hill, 1972.