APA (7th ed.) Citation

Kratfel, E. R. (1975). Modern shop mathematics. Reston.

Chicago Style (17th ed.) Citation

Kratfel, Edward R. Modern Shop Mathematics. Reston, Va.: Reston, 1975.

MLA (9th ed.) Citation

Kratfel, Edward R. Modern Shop Mathematics. Reston, 1975.

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