APA (7th ed.) Citation

Guido de Orchelles m. ca. 1233, Eynde, O. v. d., & Eynde, D. v. d. (1953). Tractatus de Sacramentis, ex eius Summa de sacramentis et officiis Ecclesiae. The Franciscan Institute [etc.].

Chicago Style (17th ed.) Citation

Guido de Orchelles m. ca. 1233, Odulphus van den Eynde, and Damien van den Eynde. Tractatus De Sacramentis, Ex Eius Summa De Sacramentis Et Officiis Ecclesiae. St. Bonaventure, N. Y. [etc.]: The Franciscan Institute [etc.], 1953.

MLA (9th ed.) Citation

Guido de Orchelles m. ca. 1233, et al. Tractatus De Sacramentis, Ex Eius Summa De Sacramentis Et Officiis Ecclesiae. The Franciscan Institute [etc.], 1953.