APA-viite (7. p.)
Strayer, J. R. (1974). Western Europe in the middle ages: A short history (2nd. ed.). Goodyear Publishing Company.
Chicago-viite (17. p.)
Strayer, Joseph R. Western Europe in the Middle Ages: A Short History. 2nd. ed. California: Goodyear Publishing Company, 1974.
MLA-viite (9. p.)
Strayer, Joseph R. Western Europe in the Middle Ages: A Short History. 2nd. ed. Goodyear Publishing Company, 1974.
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