APA引文

Maddox, R. J. (2009). United States History.: Volume 2 - Reconstruction Through the Present (20th edition.). McGraw - HillCompanies, Inc.

Trích dẫn kiểu Chicago

Maddox, 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.