Cita APA (7a ed.)

Juan Duns Escoto , B. (1949). The de PRIMO Principio of John Duns Scotus.- A revised Text and Translation by E. Roche, o.f.m. Franciscan Institute.

Cita Chicago Style (17a ed.)

Juan Duns Escoto , Beato. The De PRIMO Principio of John Duns Scotus.- A Revised Text and Translation by E. Roche, O.f.m. Saint Bonaventure- N. York: Franciscan Institute, 1949.

Cita MLA (9a ed.)

Juan Duns Escoto , Beato. The De PRIMO Principio of John Duns Scotus.- A Revised Text and Translation by E. Roche, O.f.m. Franciscan Institute, 1949.