Citazione 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.

Stile di citazione Chicago

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

Citazione MLA

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

Attenzione: Queste citazioni potrebbero non essere precise al 100%.