APA (7th ed.) Citation

Aumard, S., Büttner, S., Henrion, F., & Sapin, C. In memoriam. Centre d'Études Médievales Auxerre.

Chicago Style (17th ed.) Citation

Aumard, Sylvain, Stéphane Büttner, Fabrice Henrion, and Christian Sapin. In Memoriam. Centre d'Études Médievales Auxerre.

MLA (9th ed.) Citation

Aumard, Sylvain, et al. In Memoriam. Centre d'Études Médievales Auxerre.