Style de citation APA (7e éd.)

Roll, D. L. (2013). The Hopkins touch: Harry Hopkins and the forging of the alliance to defeat Hitler. Oxford University Press.

Style de citation Chicago (17e éd.)

Roll, David L. The Hopkins Touch: Harry Hopkins and the Forging of the Alliance to Defeat Hitler. Oxford ; New York: Oxford University Press, 2013.

Style de citation MLA (8e éd.)

Roll, David L. The Hopkins Touch: Harry Hopkins and the Forging of the Alliance to Defeat Hitler. Oxford University Press, 2013.