APA (7th ed.) Citation

Sage, A. P. (1968). Optimum systems control (2.print.). Prentice-Hall.

Chicago Style (17th ed.) Citation

Sage, Andrew P. Optimum Systems Control. 2.print. Englewood Cliffs, N.J: Prentice-Hall, 1968.

MLA (9th ed.) Citation

Sage, Andrew P. Optimum Systems Control. 2.print. Prentice-Hall, 1968.