Cita APA (7th ed.)

Young, W. H. (1956). Introduction to american government (11a. ed.). Appleton-Century-Crofts.

Cita Chicago (17th ed.)

Young, William H. Introduction to American Government. 11a. ed. Nueva York: Appleton-Century-Crofts, 1956.

Cita MLA (9th ed.)

Young, William H. Introduction to American Government. 11a. ed. Appleton-Century-Crofts, 1956.