APA (7th ed.) Citation

Kehl, R. J., & Potter, M. H. (1943). Oxyacetylene welding. American Tech.

Chicago Style (17th ed.) Citation

Kehl, Robert Joseph, and Morgan H. Potter. Oxyacetylene Welding. Chicago: American Tech, 1943.

MLA (9th ed.) Citation

Kehl, Robert Joseph, and Morgan H. Potter. Oxyacetylene Welding. American Tech, 1943.