APA Citation

Riggs, H. C. (1972). Low-flow investigations. Washington: U.S. Govt. Print. Off..

Chicago Style Citation

Riggs, H. C. Low-flow Investigations. Washington: U.S. Govt. Print. Off., 1972.

MLA Citation

Riggs, H. C. Low-flow Investigations. Washington: U.S. Govt. Print. Off., 1972.

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