APA (7th ed.) Citation

Pfulg, G., Salamin, M., & Zermatten, M. (1972). Histoire générale. Ed. Delta.

Chicago Style (17th ed.) Citation

Pfulg, Gerard, Michel Salamin, and M. Zermatten. Histoire Générale. La Tour-de-Peilz: Ed. Delta, 1972.

MLA (9th ed.) Citation

Pfulg, Gerard, et al. Histoire Générale. Ed. Delta, 1972.