Cita APA (7th ed.)

Mandino, O. (1975). The greatest miracle in the world. F. Fell Publishers Inc.

Cita Chicago (17th ed.)

Mandino, Og. The Greatest Miracle in the World. New York: F. Fell Publishers Inc, 1975.

Cita MLA (9th ed.)

Mandino, Og. The Greatest Miracle in the World. F. Fell Publishers Inc, 1975.