Style de citation APA (7e éd.)

Denham, C., & Lieberman, A. (1980). Time to learn. U.S. Department of education.

Style de citation Chicago (17e éd.)

Denham, Carolyn, et Ann Lieberman. Time to Learn. California: U.S. Department of education, 1980.

Style de citation MLA (9e éd.)

Denham, Carolyn, et Ann Lieberman. Time to Learn. U.S. Department of education, 1980.