APA

(19). Floods of December ... January ... in the Far Western States. Washington, D.C: U.S. Gov. Print. Off.

Chicago

19. Floods of December ... January ... in the Far Western States. Washington, D.C: U.S. Gov. Print. Off.

Harvard

(19). Floods of December ... January ... in the Far Western States. Washington, D.C: U.S. Gov. Print. Off.

MLA

Floods of December ... January ... in the Far Western States. Washington, D.C: U.S. Gov. Print. Off. 19.