Cita APA

Young, W. H. (1964). Essentials of american government (9a. ed.). New York: Appleton-Century-Croft.

Citación estilo Chicago

Young, William H. Essentials of American Government. 9a. ed. New York: Appleton-Century-Croft, 1964.

Cita MLA

Young, William H. Essentials of American Government. 9a. ed. New York: Appleton-Century-Croft, 1964.