APA-viite (7. p.)

Langlois, C., & Seignobos, C. Introduction to the Study of History. Holt and Company.

Chicago-viite (17. p.)

Langlois, Ch.V, ja Ch Seignobos. Introduction to the Study of History. New York: Holt and Company.

MLA-viite (8. p.)

Langlois, Ch.V, ja Ch Seignobos. Introduction to the Study of History. Holt and Company.