Cita APA (7a ed.)

Catholic Church, Catholic Church. Pope (1227-1241 : Gregory IX), Lancelotti, G. P., Gratian, a. 1. c., & Freiesleben, C. H. (1746). Corpus juris canonici academicum. Impensis J. R. Thurnisii.

Cita Chicago Style (17a ed.)

Catholic Church, Catholic Church. Pope (1227-1241 : Gregory IX), Giovanni Paolo Lancelotti, active 12th century Gratian, y Christoph Heinrich Freiesleben. Corpus Juris Canonici Academicum. Coloniae Munatianae: Impensis J. R. Thurnisii, 1746.

Cita MLA (8a ed.)

Catholic Church, et al. Corpus Juris Canonici Academicum. Impensis J. R. Thurnisii, 1746.