APA (7th ed.) Citation

Patrich, J., & Radtke, T. (2020). Physical Geography (Version 1.). College of the Canyons.

Chicago Style (17th ed.) Citation

Patrich, Jeremy, and Trudi Radtke. Physical Geography. Version 1. Santa Clarita, CA: College of the Canyons, 2020.

MLA (9th ed.) Citation

Patrich, Jeremy, and Trudi Radtke. Physical Geography. Version 1. College of the Canyons, 2020.

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