Citazione APA

Hansen, H. A., Herndon, J. G., & Langsdorf, W. B. (1947). Fighting for freedom: Historic documents. The John C. Winston Company.

Stile di citazione Chicago

Hansen, Harold Albert, John G. Herndon, e William Bell Langsdorf. Fighting for Freedom: Historic Documents. Philadelphia, Chicago [etc]: The John C. Winston Company, 1947.

Citazione MLA

Hansen, Harold Albert, et al. Fighting for Freedom: Historic Documents. The John C. Winston Company, 1947.