APA-Zitierstil (7. Ausg.)

Petry, A. (1955). Harriet Tubman: Conductor on the underground railroad (3. print.). Crowell.

Chicago-Zitierstil (17. Ausg.)

Petry, Ann. Harriet Tubman: Conductor on the Underground Railroad. 3. print. New York: Crowell, 1955.

MLA-Zitierstil (9. Ausg.)

Petry, Ann. Harriet Tubman: Conductor on the Underground Railroad. 3. print. Crowell, 1955.