Cita APA (7th ed.)
Ryan, J. K., & Bonansea, B. M. John Duns Scotus, 1265-1965. Catholic University of America.
Cita Chicago (17th ed.)
Ryan, John K., i Bernardine M. Bonansea. John Duns Scotus, 1265-1965. Washington, EUA: Catholic University of America.
Cita MLA (9th ed.)
Ryan, John K., i Bernardine M. Bonansea. John Duns Scotus, 1265-1965. Catholic University of America.
Atenció: Aquestes cites poden no estar 100% correctes.