APA (7th ed.) Citation

Knowles, J. B. (1994). Direct digital control systems / J.B. Knowles. Research Studies Press.

Chicago Style (17th ed.) Citation

Knowles, J. B. Direct Digital Control Systems / J.B. Knowles. Taunton: Research Studies Press, 1994.

MLA (9th ed.) Citation

Knowles, J. B. Direct Digital Control Systems / J.B. Knowles. Research Studies Press, 1994.

Warning: These citations may not always be 100% accurate.