APA-referens (7:e uppl.)

Fenn, P. T. (1948). The development of the Constitution. D. Appleton-Century Co.

Chicago-referens (17:e uppl.)

Fenn, Percy Thomas. The Development of the Constitution. New York: D. Appleton-Century Co, 1948.

MLA-referens (9:e uppl.)

Fenn, Percy Thomas. The Development of the Constitution. D. Appleton-Century Co, 1948.