APA (7th ed.) Citation

Humes, E. (1930). Italian chemical developments in 1928 and 1929. U.S. Government Printing Office.

Chicago Style (17th ed.) Citation

Humes, Elizabeth. Italian Chemical Developments in 1928 and 1929. [Washington?]: U.S. Government Printing Office, 1930.

MLA (9th ed.) Citation

Humes, Elizabeth. Italian Chemical Developments in 1928 and 1929. U.S. Government Printing Office, 1930.