APA (7th ed.) Citation

Blockson, C. L. (1987). The Underground Railroad. Prentice-Hall Press.

Chicago Style (17th ed.) Citation

Blockson, Charles L. The Underground Railroad. New York: Prentice-Hall Press, 1987.

MLA (9th ed.) Citation

Blockson, Charles L. The Underground Railroad. Prentice-Hall Press, 1987.