APA (7th ed.) Citation

Lagarde, A., Michard, L., Audibert, R., Lemaître, H., & Elst, T. v. d. (1968). XXe siècle. Bordas.

Chicago Style (17th ed.) Citation

Lagarde, André, Laurent Michard, Raoul Audibert, Henri Lemaître, and Thérèse van der Elst. XXe Siècle. Paris: Bordas, 1968.

MLA (9th ed.) Citation

Lagarde, André, et al. XXe Siècle. Bordas, 1968.