APA (7th ed.) Citation

Savan, B., & Cupples, P. (1992). Earthwatch: Earthcycles and ecosystems. Addison-Wesley Pub. Co..

Chicago Style (17th ed.) Citation

Savan, Beth, and Pat Cupples. Earthwatch: Earthcycles and Ecosystems. Reading, Mass.: Addison-Wesley Pub. Co., 1992.

MLA (9th ed.) Citation

Savan, Beth, and Pat Cupples. Earthwatch: Earthcycles and Ecosystems. Addison-Wesley Pub. Co., 1992.