APA (7th ed.) Citation

Katz, S. H., & Bourquin, J. J. (1923). Comparison of gas masks, hose masks, and oxygen breathing apparatus. Department of the Interior, Bureau of Mines.

Chicago Style (17th ed.) Citation

Katz, S. H., and J. J. Bourquin. Comparison of Gas Masks, Hose Masks, and Oxygen Breathing Apparatus. [Washington, D.C.]: Department of the Interior, Bureau of Mines, 1923.

MLA (9th ed.) Citation

Katz, S. H., and J. J. Bourquin. Comparison of Gas Masks, Hose Masks, and Oxygen Breathing Apparatus. Department of the Interior, Bureau of Mines, 1923.