Frassati, P. G., Deeter, T. E., & Wohar, C. M. (2009). Letters to his friends and family. Society of St. Paul/Alba House.
Chicago-Zitierstil (17. Ausg.)Frassati, Pier Giorgio, Timothy E. Deeter, und Christine M. Wohar. Letters to His Friends and Family. Staten Island, N.Y.: Society of St. Paul/Alba House, 2009.
MLA-Zitierstil (8. Ausg.)Frassati, Pier Giorgio, et al. Letters to His Friends and Family. Society of St. Paul/Alba House, 2009.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.