APA (7th ed.) Citation

Alcorn, S. (2009). Keep on!: The story of Matthew Henson, co-discoverer of the North Pole. Peachtree Publishers.

Chicago Style (17th ed.) Citation

Alcorn, Stephen. Keep on!: The Story of Matthew Henson, Co-discoverer of the North Pole. Atlanta, Ga: Peachtree Publishers, 2009.

MLA (9th ed.) Citation

Alcorn, Stephen. Keep on!: The Story of Matthew Henson, Co-discoverer of the North Pole. Peachtree Publishers, 2009.