APA (7th ed.) Citation

Geological Survey (U.S.). (1938). Drought of 1936 with discussion on significance of drought in relation to climate. [s.n.].

Chicago Style (17th ed.) Citation

Geological Survey (U.S.). Drought of 1936 with Discussion on Significance of Drought in Relation to Climate. [Washington]: [s.n.], 1938.

MLA (9th ed.) Citation

Geological Survey (U.S.). Drought of 1936 with Discussion on Significance of Drought in Relation to Climate. [s.n.], 1938.