APA (7th ed.) Citation

Baldwin, E. H., Keena, L. J., & Smith, H. B. (1923). Polish petroleum industry in 1922. U.S. Government Printing Office.

Chicago Style (17th ed.) Citation

Baldwin, Elbert H., Leo John Keena, and H. B. Smith. Polish Petroleum Industry in 1922. [Washington?]: U.S. Government Printing Office, 1923.

MLA (9th ed.) Citation

Baldwin, Elbert H., et al. Polish Petroleum Industry in 1922. U.S. Government Printing Office, 1923.