APA (7th ed.) Citation

Huntington, E., & Cushing, S. W. (1951). Principles of human geography (5th ed. largely rewritten.). Wiley.

Chicago Style (17th ed.) Citation

Huntington, Ellsworth, and Sumner W. Cushing. Principles of Human Geography. 5th ed. largely rewritten. New York: Wiley, 1951.

MLA (9th ed.) Citation

Huntington, Ellsworth, and Sumner W. Cushing. Principles of Human Geography. 5th ed. largely rewritten. Wiley, 1951.