APA (7th ed.) Citation

Elford, C. R. (1959). Climates of the states: Iowa. U.S. Dept. of COmmerce, Weather Bureau.

Chicago Style (17th ed.) Citation

Elford, C. Robert. Climates of the States: Iowa. Washington, D.C.: U.S. Dept. of COmmerce, Weather Bureau, 1959.

MLA (9th ed.) Citation

Elford, C. Robert. Climates of the States: Iowa. U.S. Dept. of COmmerce, Weather Bureau, 1959.