APA

Dunn W, . (1975). The future of the american presidency. New Jersey: General Learning press.

Chicago

Dunn W, . 1975. The future of the american presidency. New Jersey: General Learning press.

Harvard

Dunn W, . (1975). The future of the american presidency. New Jersey: General Learning press.

MLA

Dunn W, . The future of the american presidency. New Jersey: General Learning press. 1975.