Ham, L. B., Hogaboom, G. B., & Slattery, T. F. (1921). "Black nickel" plating solutions. U.S. Government Printing Office.
Chicago Style (17th ed.) CitationHam, L. B., George Byron Hogaboom, and T. F. Slattery. "Black Nickel" Plating Solutions. [Washington?]: U.S. Government Printing Office, 1921.
MLA (9th ed.) CitationHam, L. B., et al. "Black Nickel" Plating Solutions. U.S. Government Printing Office, 1921.
Warning: These citations may not always be 100% accurate.