Cita APA (7a ed.)

King, W. E., & Napp, J. L. (2005). United States history. AGS Publ.

Cita Chicago Style (17a ed.)

King, Wayne E., y John L. Napp. United States History. Circle Pines, Minnesota: AGS Publ, 2005.

Cita MLA (9a ed.)

King, Wayne E., y John L. Napp. United States History. AGS Publ, 2005.