Cita APA (7th ed.)

Chesterton, G. K. (1957). St. Francis of Assisi. Image Books.

Cita Chicago (17th ed.)

Chesterton, Gilbert Keith. St. Francis of Assisi. Garden City, N.Y: Image Books, 1957.

Cita MLA (9th ed.)

Chesterton, Gilbert Keith. St. Francis of Assisi. Image Books, 1957.