APA (7th ed.) Citation

United States. Weather Bureau & Frankenfield, H. C. (1925). Instructions for river and rainfall observers. U.S. GPO.

Chicago Style (17th ed.) Citation

United States. Weather Bureau and H. C. Frankenfield. Instructions for River and Rainfall Observers. Washington: U.S. GPO, 1925.

MLA (9th ed.) Citation

United States. Weather Bureau and H. C. Frankenfield. Instructions for River and Rainfall Observers. U.S. GPO, 1925.