Rorabaugh W.J & Critchlow, D. T. (1994). America!: Concise history. Wadsworth publishing company.
Cita Chicago Style (17a ed.)Rorabaugh W.J y Donald T. Critchlow. America!: Concise History. California: Wadsworth publishing company, 1994.
Cita MLA (9a ed.)Rorabaugh W.J y Donald T. Critchlow. America!: Concise History. Wadsworth publishing company, 1994.
Precaución: Estas citas no son 100% exactas.