APA (7th ed.) Citation

Huntington, E., & Cushing, S. W. (1934). Principles of human geography (4th ed.). J. Wiley & sons, inc. Chapman & Hall, limited.

Chicago Style (17th ed.) Citation

Huntington, Ellsworth, and Sumner Webster Cushing. Principles of Human Geography. 4th ed. New York : London: J. Wiley & sons, inc. Chapman & Hall, limited, 1934.

MLA (9th ed.) Citation

Huntington, Ellsworth, and Sumner Webster Cushing. Principles of Human Geography. 4th ed. J. Wiley & sons, inc. Chapman & Hall, limited, 1934.