APA (7 वां संस्करण) प्रशस्ति पत्र

Nettels, C. P. (1963). The roots of American civilization: A history of American colonial life (2nd ed.). Appleton - Century.

शिकागो शैली (17वां संस्करण) प्रशस्ति पत्र

Nettels, Curtis P. The Roots of American Civilization: A History of American Colonial Life. 2nd ed. New York: Appleton - Century, 1963.

एमएलए (9वां संस्करण) प्रशस्ति पत्र

Nettels, Curtis P. The Roots of American Civilization: A History of American Colonial Life. 2nd ed. Appleton - Century, 1963.