Style de citation APA (7e éd.)

Holt, R., & Geiger, E. J. (1974). George Washington Carver: A great American Negro teacher. Dell Publishing Co.

Style de citation Chicago (17e éd.)

Holt, Rackham, et Elizabeth J. Geiger. George Washington Carver: A Great American Negro Teacher. New York: Dell Publishing Co, 1974.

Style de citation MLA (9e éd.)

Holt, Rackham, et Elizabeth J. Geiger. George Washington Carver: A Great American Negro Teacher. Dell Publishing Co, 1974.