Cita APA (7a ed.)

Huntington, E., & Cushing, S. W. (1924). Principles of human geography. John Wiley & Sons ; Chapman & Hall.

Cita Chicago Style (17a ed.)

Huntington, Ellsworth, y Summer W. Cushing. Principles of Human Geography. New York : London: John Wiley & Sons ; Chapman & Hall, 1924.

Cita MLA (9a ed.)

Huntington, Ellsworth, y Summer W. Cushing. Principles of Human Geography. John Wiley & Sons ; Chapman & Hall, 1924.