APA (7th ed.) Citation

Lowenthal, D., & Riel, M. (1972). Environmental structures: Semantic and experiential components. American Geographical Society.

Chicago Style (17th ed.) Citation

Lowenthal, David, and Marquita Riel. Environmental Structures: Semantic and Experiential Components. New York, NY: American Geographical Society, 1972.

MLA (9th ed.) Citation

Lowenthal, David, and Marquita Riel. Environmental Structures: Semantic and Experiential Components. American Geographical Society, 1972.

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