Cita APA (7a ed.)

Chesterton, G. K. (1971). The innocence of father Brown. Penguin Books.

Cita Chicago Style (17a ed.)

Chesterton, G. K. The Innocence of Father Brown. Harmondsworth [u.a.]: Penguin Books, 1971.

Cita MLA (9a ed.)

Chesterton, G. K. The Innocence of Father Brown. Penguin Books, 1971.