APA aipamena

Willis, F. R. (1987). Western civilization: A brief introduction. New York: Macmillan.

Chicago Style aipamena

Willis, F. Roy. Western Civilization: A Brief Introduction. New York: Macmillan, 1987.

MLA aipamena

Willis, F. Roy. Western Civilization: A Brief Introduction. New York: Macmillan, 1987.