Langlois, V., & Seignobos, C. (1899). Introduction aux etudes historiques.
Chicago Edition CitationLanglois, V., and C. Seignobos. Introduction Aux Etudes Historiques. 1899.
MLA Edition CitationLanglois, V., and C. Seignobos. Introduction Aux Etudes Historiques. 1899.
Warning: These citations may not always be 100% accurate.