Cita APA (7a ed.)

Spaeth, H. J., & Smith, E. C. (1991). The Constitution of the United States (13th ed.). HarperPerennial.

Cita Chicago Style (17a ed.)

Spaeth, Harold J., y Edward Conrad Smith. The Constitution of the United States. 13th ed. New York: HarperPerennial, 1991.

Cita MLA (9a ed.)

Spaeth, Harold J., y Edward Conrad Smith. The Constitution of the United States. 13th ed. HarperPerennial, 1991.