Cita APA (7a ed.)

Mattern, M., & Willoughby, B. (1957). Saint Joan: The heroic story of Joan of Arc. A Feature Boo.

Cita Chicago Style (17a ed.)

Mattern, Marjorie, y Bob Willoughby. Saint Joan: The Heroic Story of Joan of Arc. s.l.: A Feature Boo, 1957.

Cita MLA (9a ed.)

Mattern, Marjorie, y Bob Willoughby. Saint Joan: The Heroic Story of Joan of Arc. A Feature Boo, 1957.