Citace podle APA (7th ed.)
Pettit, E., & Worthington, A. (2015). Sketches in the history of the Underground railroad. Open Road Integrated Media.
Citace podle Chicago (17th ed.)
Pettit, Eber, a Andrea Worthington. Sketches in the History of the Underground Railroad. New York, New York: Open Road Integrated Media, 2015.
Citace podle MLA (9th ed.)
Pettit, Eber, a Andrea Worthington. Sketches in the History of the Underground Railroad. Open Road Integrated Media, 2015.
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