APA (7th ed.) Citation

Planhol, X. d., & Rognon, P. (1970). Les zones tropicales arides et subtropicales. Armand Colin.

Chicago Style (17th ed.) Citation

Planhol, Xavier de, and Pierre Rognon. Les Zones Tropicales Arides Et Subtropicales. Paris: Armand Colin, 1970.

MLA (9th ed.) Citation

Planhol, Xavier de, and Pierre Rognon. Les Zones Tropicales Arides Et Subtropicales. Armand Colin, 1970.

Warning: These citations may not always be 100% accurate.