APA (7th ed.) Citation

Edwards, J. D. (1914). Determination of ammonia in illuminating gas. U.S. Government Printing Office.

Chicago Style (17th ed.) Citation

Edwards, Junius David. Determination of Ammonia in Illuminating Gas. [Washington?]: U.S. Government Printing Office, 1914.

MLA (9th ed.) Citation

Edwards, Junius David. Determination of Ammonia in Illuminating Gas. U.S. Government Printing Office, 1914.