Cita APA (7a ed.)

Cavanaugh, J. (1922). Father Zahm. [s.n.].

Cita Chicago Style (17a ed.)

Cavanaugh, John. Father Zahm. [S.l.]: [s.n.], 1922.

Cita MLA (8a ed.)

Cavanaugh, John. Father Zahm. [s.n.], 1922.