APA (7th ed.) Citation

Allen, T. B., & Bauer, C. (2006). Harriet Tubman, secret agent : how daring slaves and free Blacks spied for the Union during the Civil War / Thomas B. Allen ; with illustrations by Carla Bauer: How daring slaves and free Blacks spied for the Union during the Civil War. National Geographic Society distributor ; Publishers Group UK.

Chicago Style (17th ed.) Citation

Allen, Thomas B., and Carla Bauer. Harriet Tubman, Secret Agent : How Daring Slaves and Free Blacks Spied for the Union During the Civil War / Thomas B. Allen ; with Illustrations by Carla Bauer: How Daring Slaves and Free Blacks Spied for the Union During the Civil War. Washington, D.C. : Enfield: National Geographic Society distributor ; Publishers Group UK, 2006.

MLA (9th ed.) Citation

Allen, Thomas B., and Carla Bauer. Harriet Tubman, Secret Agent : How Daring Slaves and Free Blacks Spied for the Union During the Civil War / Thomas B. Allen ; with Illustrations by Carla Bauer: How Daring Slaves and Free Blacks Spied for the Union During the Civil War. National Geographic Society distributor ; Publishers Group UK, 2006.

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