APA (7th ed.) Citation

Harper, R. B. (1928). Problems of the gas industry: An address presented at the Third Annual Gas Meter School, held at Purdue University on November 8-10, 1927. Purdue University.

Chicago Style (17th ed.) Citation

Harper, Robert Brinton. Problems of the Gas Industry: An Address Presented at the Third Annual Gas Meter School, Held at Purdue University on November 8-10, 1927. Lafayette, Ind.: Purdue University, 1928.

MLA (9th ed.) Citation

Harper, Robert Brinton. Problems of the Gas Industry: An Address Presented at the Third Annual Gas Meter School, Held at Purdue University on November 8-10, 1927. Purdue University, 1928.