APA (7th ed.) Citation

Key, C. W. (1948). Rapid method of stack-gas analysis for total sulfur and sulfur dioxide. Proceedings of the American Petroleum Institute, 13.

Chicago Style (17th ed.) Citation

Key, C. W. "Rapid Method of Stack-gas Analysis for Total Sulfur and Sulfur Dioxide." Proceedings of the American Petroleum Institute 1948: 13.

MLA (9th ed.) Citation

Key, C. W. "Rapid Method of Stack-gas Analysis for Total Sulfur and Sulfur Dioxide." Proceedings of the American Petroleum Institute, 1948, p. 13.