Cita APA (7a ed.)

Armstrong, A. O. (1955). Fátima: Pilgrimage to peace. The World's Work.

Cita Chicago Style (17a ed.)

Armstrong, April Oursler. Fátima: Pilgrimage to Peace. Kingswood: The World's Work, 1955.

Cita MLA (9a ed.)

Armstrong, April Oursler. Fátima: Pilgrimage to Peace. The World's Work, 1955.