APA

Langlois C. V., Seignobos C., . (1966). Introduction to the study of history. New York: Barnes & Noble.

Chicago

Langlois Charles Victor, Seignobos Charles, . 1966. Introduction to the study of history. New York: Barnes & Noble.

Harvard

Langlois C. V., Seignobos C., . (1966). Introduction to the study of history. New York: Barnes & Noble.

MLA

Langlois Charles Victor, Seignobos Charles, . Introduction to the study of history. New York: Barnes & Noble. 1966.