Style de citation APA (7e éd.)

Theodore, M. K., & Theodore, L. (1996). Major environmental issues facing the 21st century. Prentice Hall.

Style de citation Chicago (17e éd.)

Theodore, Mary K., et Louis Theodore. Major Environmental Issues Facing the 21st Century. Upper Saddle River, NJ: Prentice Hall, 1996.

Style de citation MLA (8e éd.)

Theodore, Mary K., et Louis Theodore. Major Environmental Issues Facing the 21st Century. Prentice Hall, 1996.