APA (7th ed.) Citation

Smith, K., Brown, T., & Ashby, W. (2007). Pearl: An underground railroad. Tony Brown Productions Incorporated.

Chicago Style (17th ed.) Citation

Smith, Karen, Tony Brown, and Wally Ashby. Pearl: An Underground Railroad. New York: Tony Brown Productions Incorporated, 2007.

MLA (9th ed.) Citation

Smith, Karen, et al. Pearl: An Underground Railroad. Tony Brown Productions Incorporated, 2007.