Cita APA (7th ed.)

Coolidge, L. A. (1924). Ulysses S.Grant. Houghton, Mifflin.

Cita Chicago (17th ed.)

Coolidge, Louis Arthur. Ulysses S.Grant. Boston: Houghton, Mifflin, 1924.

Cita MLA (8th ed.)

Coolidge, Louis Arthur. Ulysses S.Grant. Houghton, Mifflin, 1924.