APA

Armbruster M. E., . (1969). The Presidents of the United States, and their administrations from Washington to Nixon. New York: Horizon Press.

Chicago

Armbruster Maxim Ethan, . 1969. The Presidents of the United States, and their administrations from Washington to Nixon. New York: Horizon Press.

Harvard

Armbruster M. E., . (1969). The Presidents of the United States, and their administrations from Washington to Nixon. New York: Horizon Press.

MLA

Armbruster Maxim Ethan, . The Presidents of the United States, and their administrations from Washington to Nixon. New York: Horizon Press. 1969.