APA (7th ed.) Citation

White, W. N. (1941). Contributions to the hydrology of the United States, 1940. [publisher not identified].

Chicago Style (17th ed.) Citation

White, Walter N. Contributions to the Hydrology of the United States, 1940. [Place of publication not identified]: [publisher not identified], 1941.

MLA (9th ed.) Citation

White, Walter N. Contributions to the Hydrology of the United States, 1940. [publisher not identified], 1941.