Citazione Stile APA (7a Edizione)

Hartley, W. H., & Vincent, W. S. (2003). American civics (Annotated teacher's edition.). Holt, Rinehart and Winston.

Citazione stile Chigago Style (17a edizione)

Hartley, William H., e William S. Vincent. American Civics. Annotated teacher's edition. Austin [u.a.]: Holt, Rinehart and Winston, 2003.

Citatione MLA (9a ed.)

Hartley, William H., e William S. Vincent. American Civics. Annotated teacher's edition. Holt, Rinehart and Winston, 2003.