APA (7th ed.) Citation

Johnson, D. (2006). Onward: A photobiography of African-American polar explorer Matthew Henson. National Geographic.

Chicago Style (17th ed.) Citation

Johnson, Dolores. Onward: A Photobiography of African-American Polar Explorer Matthew Henson. Washington. D.C.: National Geographic, 2006.

MLA (8th ed.) Citation

Johnson, Dolores. Onward: A Photobiography of African-American Polar Explorer Matthew Henson. National Geographic, 2006.

Warning: These citations may not always be 100% accurate.