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. Nueva York: Image Books, 1957.

Cita MLA (9th ed.)

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