APA (7th ed.) Citation

Crowell, B. (2014). Conceptual physics (Rev. ed.). Creative Commons.

Chicago Style (17th ed.) Citation

Crowell, Benjamin. Conceptual Physics. Rev. ed. [Calif.]: Creative Commons, 2014.

MLA (9th ed.) Citation

Crowell, Benjamin. Conceptual Physics. Rev. ed. Creative Commons, 2014.