Cita APA (7a ed.)

William, d. S., & Verdeyen, P. (1989). Guillelmi a Sancto Theodorico Opera omnia. Brepols.

Cita Chicago Style (17a ed.)

William, de Saint-Thierry, y Paul Verdeyen. Guillelmi a Sancto Theodorico Opera Omnia. Turnholti [Turnhout]: Brepols, 1989.

Cita MLA (9a ed.)

William, de Saint-Thierry, y Paul Verdeyen. Guillelmi a Sancto Theodorico Opera Omnia. Brepols, 1989.