APA (7th ed.) Citation

Dow, D. B. (1926). Oil-field emulsions. U.S. Government Printing Office.

Chicago Style (17th ed.) Citation

Dow, D. B. Oil-field Emulsions. [Washington?]: U.S. Government Printing Office, 1926.

MLA (9th ed.) Citation

Dow, D. B. Oil-field Emulsions. U.S. Government Printing Office, 1926.