APA (7th ed.) Citation

United States. Census Office, Emmons, S. F., & Becker, G. F. (1885). Statistics and technology of the precious metals. GPO.

Chicago Style (17th ed.) Citation

United States. Census Office, Samuel Franklin Emmons, and George F. Becker. Statistics and Technology of the Precious Metals. Washington: GPO, 1885.

MLA (8th ed.) Citation

United States. Census Office, et al. Statistics and Technology of the Precious Metals. GPO, 1885.