Trích dẫn APA

Fleegler, R., Huebner, A., & Patterson, J. (2004). Twentieth-century United States history. Washington: United States Department of State, Bureau of Educational and Cultural Affairs.

Trích dẫn kiểu Chicago

Fleegler, Robert, Andrew Huebner, và James Patterson. Twentieth-century United States History. Washington: United States Department of State, Bureau of Educational and Cultural Affairs, 2004.

Trích dẫn MLA

Fleegler, Robert, Andrew Huebner, và James Patterson. Twentieth-century United States History. Washington: United States Department of State, Bureau of Educational and Cultural Affairs, 2004.

Cảnh báo: Các trích dẫn này có thể không phải lúc nào cũng chính xác 100%.