APA (7th ed.) Citation

United States. Government Printing Office. (1931). Descriptive catalogue of machinery and principal equipment in Government Printing Office. U.S. GPO.

Chicago Style (17th ed.) Citation

United States. Government Printing Office. Descriptive Catalogue of Machinery and Principal Equipment in Government Printing Office. Washington: U.S. GPO, 1931.

MLA (9th ed.) Citation

United States. Government Printing Office. Descriptive Catalogue of Machinery and Principal Equipment in Government Printing Office. U.S. GPO, 1931.

Warning: These citations may not always be 100% accurate.