Cita APA (7th ed.)

Petrus <Venerabilis> & Bouthillier, D. (1988). Libri duo: Cura et studio Dyonisia Bouthillier. Brepols.

Cita Chicago (17th ed.)

Petrus <Venerabilis> i Denise Bouthillier. Libri Duo: Cura Et Studio Dyonisia Bouthillier. Turnholti: Brepols, 1988.

Cita MLA (8th ed.)

Petrus <Venerabilis> i Denise Bouthillier. Libri Duo: Cura Et Studio Dyonisia Bouthillier. Brepols, 1988.