APA (7th ed.) Citation

Clark, K., Vilmorin, A. d., & Spar, F. (1974). Civilisation. Hermann.

Chicago Style (17th ed.) Citation

Clark, Kenneth, André de Vilmorin, and Francis Spar. Civilisation. Paris: Hermann, 1974.

MLA (9th ed.) Citation

Clark, Kenneth, et al. Civilisation. Hermann, 1974.