APA (7th ed.) Citation

Lefax, Philadelphia. (1970). Engineer's handbook. Lefax Pub. Co..

Chicago Style (17th ed.) Citation

Lefax, Philadelphia. Engineer's Handbook. Philadelphia: Lefax Pub. Co., 1970.

MLA (9th ed.) Citation

Lefax, Philadelphia. Engineer's Handbook. Lefax Pub. Co., 1970.