APA

Langlois Ch. V, . (1925). Introduction to the History. New York: Henry Holt and Company.

Chicago

Langlois Ch. V, . 1925. Introduction to the History. New York: Henry Holt and Company.

Harvard

Langlois Ch. V, . (1925). Introduction to the History. New York: Henry Holt and Company.

MLA

Langlois Ch. V, . Introduction to the History. New York: Henry Holt and Company. 1925.