APA (7th ed.) Citation

Christensen, J. W., & Christen, W. L. (1984). Global science: Energy, resources, environment (2nd ed.). Kendall/Hunt Pub. Co..

Chicago Style (17th ed.) Citation

Christensen, John W., and William L. Christen. Global Science: Energy, Resources, Environment. 2nd ed. Dubuque, Iowa: Kendall/Hunt Pub. Co., 1984.

MLA (9th ed.) Citation

Christensen, John W., and William L. Christen. Global Science: Energy, Resources, Environment. 2nd ed. Kendall/Hunt Pub. Co., 1984.