APA (7th ed.) Citation

Tydings, K. S. (1960). The Omega enlarger guide (Fourth print. revised.). Chilton Co., Book Division.

Chicago Style (17th ed.) Citation

Tydings, Kenneth S. The Omega Enlarger Guide. Fourth print. revised. Philadelphia: Chilton Co., Book Division, 1960.

MLA (9th ed.) Citation

Tydings, Kenneth S. The Omega Enlarger Guide. Fourth print. revised. Chilton Co., Book Division, 1960.