APA (7th ed.) Citation

Ratramnus, m. o. C., Lynde, H., & S. D. The book of Bertram the priest concerning the body and blood of Christ in the sacrament.

Chicago Style (17th ed.) Citation

Ratramnus, monk of Corbie, Humphrey Lynde, and S. D. The Book of Bertram the Priest Concerning the Body and Blood of Christ in the Sacrament.

MLA (9th ed.) Citation

Ratramnus, monk of Corbie, et al. The Book of Bertram the Priest Concerning the Body and Blood of Christ in the Sacrament.

Warning: These citations may not always be 100% accurate.