Anselm, S., Deane, S. N., & Gaunilo, a. 1. c. (1903). Proslogium; Monologium: An appendix, In behalf of the fool, by Gaunilon; and Cur Deus homo. Opencourt Pub. Co. ; Kegan Paul, Trench, Trubner.
Chicago Style (17th ed.) CitationAnselm, Saint, Sidney Norton Deane, and active 11th century Gaunilo. Proslogium; Monologium: An Appendix, In Behalf of the Fool, by Gaunilon; and Cur Deus Homo. Chicago : London: Opencourt Pub. Co. ; Kegan Paul, Trench, Trubner, 1903.
MLA (9th ed.) CitationAnselm, Saint, et al. Proslogium; Monologium: An Appendix, In Behalf of the Fool, by Gaunilon; and Cur Deus Homo. Opencourt Pub. Co. ; Kegan Paul, Trench, Trubner, 1903.
Warning: These citations may not always be 100% accurate.