The book of Bertram the priest,
concerning the body and blood of Christ in the Sacrament, written in Latin by the command of the emperour Charles the Great above nine hundred years ago, and first translated into English, in 1549.

APA Citation

Ratramnus, m. of Corbie., Lynde, H., Charlemagne, E. (1687). The book of Bertram the priest: concerning the body and blood of Christ in the Sacrament, written in Latin by the command of the emperour Charles the Great above nine hundred years ago, and first translated into English, in 1549. London: B. Griffin.

MLA Citation

Ratramnus, monk of Corbie, -approximately 868, Humphrey Lynde, and Emperor Charlemagne. The Book of Bertram the Priest: Concerning the Body And Blood of Christ In the Sacrament, Written In Latin by the Command of the Emperour Charles the Great Above Nine Hundred Years Ago, And First Translated Into English, In 1549. London: B. Griffin, 1687.

Warning: These citations may not always be complete (especially for serials).