APA (7th ed.) Citation

Hempel, W., & Dennis, L. M. (1902). Methods of gas analysis (3rd ed.). The Macmillan Company.

Chicago Style (17th ed.) Citation

Hempel, Walther, and L. M. Dennis. Methods of Gas Analysis. 3rd ed. New York: The Macmillan Company, 1902.

MLA (8th ed.) Citation

Hempel, Walther, and L. M. Dennis. Methods of Gas Analysis. 3rd ed. The Macmillan Company, 1902.