APA (7th ed.) Citation

Hoskins, J. K. (1921). Factors governing selection and protection of sources of water supply. U.S. Government Printing Office.

Chicago Style (17th ed.) Citation

Hoskins, J. K. Factors Governing Selection and Protection of Sources of Water Supply. [Washington, D.C.]: U.S. Government Printing Office, 1921.

MLA (9th ed.) Citation

Hoskins, J. K. Factors Governing Selection and Protection of Sources of Water Supply. U.S. Government Printing Office, 1921.