APA (7th ed.) Citation

Hill, J. M. (1912). The mining districts of the Western United States. US Gov. Print. Off.

Chicago Style (17th ed.) Citation

Hill, James M. The Mining Districts of the Western United States. Washington, DC: US Gov. Print. Off, 1912.

MLA (9th ed.) Citation

Hill, James M. The Mining Districts of the Western United States. US Gov. Print. Off, 1912.