Cita APA (7a ed.)

Charnwood, G. R. B. l. (1950). Abraham Lincoln. Pocket Books.

Cita Chicago Style (17a ed.)

Charnwood, Godfrey Rathbone Benson lord. Abraham Lincoln. New York: Pocket Books, 1950.

Cita MLA (8a ed.)

Charnwood, Godfrey Rathbone Benson lord. Abraham Lincoln. Pocket Books, 1950.