Cita APA (7a ed.)

Anselm, S., Deane, S. N., & Gaunilo, 1. c. (1903). Proslogium; Monologium: An appendix, In behalf of the fool, by Gaunilon; and Cur Deus homo. The Opencourt publishing Co; [etc., etc.].

Cita Chicago Style (17a ed.)

Anselm, Saint, S. N. Deane, y 11th cent Gaunilo. Proslogium; Monologium: An Appendix, In Behalf of the Fool, by Gaunilon; and Cur Deus Homo. Chicago: The Opencourt publishing Co; [etc., etc.], 1903.

Cita MLA (8a ed.)

Anselm, Saint, et al. Proslogium; Monologium: An Appendix, In Behalf of the Fool, by Gaunilon; and Cur Deus Homo. The Opencourt publishing Co; [etc., etc.], 1903.