Rosen, J. (2018). William Howard Taft. Times Book.
Cita Chicago (17th ed.)Rosen, Jeferey. William Howard Taft. Times Book, 2018.
Cita MLA (9th ed.)Rosen, Jeferey. William Howard Taft. Times Book, 2018.
Atenció: Aquestes cites poden no estar 100% correctes.