APA (7th ed.) Zitazioa

Purcell, W. (1983). Martyrs of our time. CBP.

Chicago Style (17th ed.) Zitazioa

Purcell, William. Martyrs of Our Time. St. Louis: CBP, 1983.

MLA (9th ed.) Zitazioa

Purcell, William. Martyrs of Our Time. CBP, 1983.