Cita APA (7a ed.)

Bettoni, E., & Bonansea, B. (1961). Duns Scotus: The Basic principles of his philosophy. Catholic University of America.

Cita Chicago Style (17a ed.)

Bettoni, Efrem, y Bernardine Bonansea. Duns Scotus: The Basic Principles of His Philosophy. Washington: Catholic University of America, 1961.

Cita MLA (9a ed.)

Bettoni, Efrem, y Bernardine Bonansea. Duns Scotus: The Basic Principles of His Philosophy. Catholic University of America, 1961.