Cita APA (7a ed.)

Cheney, C. R. (1950). Gervase, abbot of prémontré: A medieval letter-writter. The librarian, the John Rylands Library [etc.].

Cita Chicago Style (17a ed.)

Cheney, Christopher Robert. Gervase, Abbot of Prémontré: A Medieval Letter-writter. Manchester: The librarian, the John Rylands Library [etc.], 1950.

Cita MLA (9a ed.)

Cheney, Christopher Robert. Gervase, Abbot of Prémontré: A Medieval Letter-writter. The librarian, the John Rylands Library [etc.], 1950.