APA

Shafritz J. M., . (1993). The HarperCollins dictionary of American government and politics. New York: HarperPerennial.

Chicago

Shafritz Jay M, . 1993. The HarperCollins dictionary of American government and politics. New York: HarperPerennial.

Harvard

Shafritz J. M., . (1993). The HarperCollins dictionary of American government and politics. New York: HarperPerennial.

MLA

Shafritz Jay M, . The HarperCollins dictionary of American government and politics. New York: HarperPerennial. 1993.