APA

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

Chicago

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

Harvard

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

MLA

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