Cita APA (7a ed.)

Doyle, E. (1980). St. Francis and the song of brotherhood. George Allen & Unwin.

Cita Chicago Style (17a ed.)

Doyle, Eric. St. Francis and the Song of Brotherhood. London: George Allen & Unwin, 1980.

Cita MLA (9a ed.)

Doyle, Eric. St. Francis and the Song of Brotherhood. George Allen & Unwin, 1980.