APA (7th ed.) Citation

Beard, W. (1941). Regulation of pipe lines as common carriers. Columbia university press.

Chicago Style (17th ed.) Citation

Beard, William. Regulation of Pipe Lines as Common Carriers. New York: Columbia university press, 1941.

MLA (9th ed.) Citation

Beard, William. Regulation of Pipe Lines as Common Carriers. Columbia university press, 1941.