Johnson, D. (2006). Onward: A photobiography of African-American polar explorer Matthew Henson. National Geographic.
Style de citation Chicago (17e éd.)Johnson, Dolores. Onward: A Photobiography of African-American Polar Explorer Matthew Henson. Washington. D.C.: National Geographic, 2006.
Style de citation MLA (8e éd.)Johnson, Dolores. Onward: A Photobiography of African-American Polar Explorer Matthew Henson. National Geographic, 2006.
Attention : ces citations peuvent ne pas être correctes à 100%.