APA (7th ed.) Citation

Vidal de La Blache, P., Martonne, E. d., & Bingham, M. T. (1926). Principles of human geography. H. Holt and company.

Chicago Style (17th ed.) Citation

Vidal de La Blache, Paul, Emmanuel de Martonne, and Millicent Todd Bingham. Principles of Human Geography. New York: H. Holt and company, 1926.

MLA (9th ed.) Citation

Vidal de La Blache, Paul, et al. Principles of Human Geography. H. Holt and company, 1926.