Cita APA (7a ed.)

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

Cita Chicago Style (17a ed.)

Chesterton, G. K. St. Francis of Assisi. Garden City, N.Y.: Image Books, 1957.

Cita MLA (8a ed.)

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