APA (7th ed.) Citation

Smith, E. H. (1925). Practical method for determining ocean currents. U.S. Government Printing Office.

Chicago Style (17th ed.) Citation

Smith, Edward H. Practical Method for Determining Ocean Currents. [Place of publication not identified]: U.S. Government Printing Office, 1925.

MLA (9th ed.) Citation

Smith, Edward H. Practical Method for Determining Ocean Currents. U.S. Government Printing Office, 1925.