APA-Zitierstil (7. Ausg.)

Howells, W. W. (1954). Back of history: The story of our own origins ([1st ed.].). Doubleday.

Chicago-Zitierstil (17. Ausg.)

Howells, William W. Back of History: The Story of Our Own Origins. [1st ed.]. Garden City, N.Y: Doubleday, 1954.

MLA-Zitierstil (9. Ausg.)

Howells, William W. Back of History: The Story of Our Own Origins. [1st ed.]. Doubleday, 1954.