Maddox, R. J. (2009). United States History.: Volume 2 - Reconstruction Through the Present (20th edition.). McGraw - HillCompanies, Inc.
Trích dẫn kiểu ChicagoMaddox, Robert James. United States History.: Volume 2 - Reconstruction Through the Present. 20th edition. McGraw - HillCompanies, Inc, 2009.
MLA引文Maddox, Robert James. United States History.: Volume 2 - Reconstruction Through the Present. 20th edition. McGraw - HillCompanies, Inc, 2009.
警告:這些引文格式不一定是100%准確.