APA (7th ed.) Citation

United States. Department of Commerce. (1914). Problems of petroleum industry; results of conferences at Pittsburgh, Pa., Aug. 1 and Sept. 10, 1913. GPO.

Chicago Style (17th ed.) Citation

United States. Department of Commerce. Problems of Petroleum Industry; Results of Conferences at Pittsburgh, Pa., Aug. 1 and Sept. 10, 1913. [Washington]: GPO, 1914.

MLA (9th ed.) Citation

United States. Department of Commerce. Problems of Petroleum Industry; Results of Conferences at Pittsburgh, Pa., Aug. 1 and Sept. 10, 1913. GPO, 1914.