APA (7th ed.) Citation

Alzon, E. d., Sage, A., & Touveneraud, P. Foundational documents. The Assumptionists.

Chicago Style (17th ed.) Citation

Alzon, Emmanuel d', Athanase Sage, and Pierre Touveneraud. Foundational Documents. Milton, Mass.: The Assumptionists.

MLA (8th ed.) Citation

Alzon, Emmanuel d', et al. Foundational Documents. The Assumptionists.