Cita APA (7a ed.)

Baldick, R. (1970). The duel: A history of duelling (Orig. ed. 1965.). Spring Books.

Cita Chicago Style (17a ed.)

Baldick, Robert. The Duel: A History of Duelling. Orig. ed. 1965. London [u.a.]: Spring Books, 1970.

Cita MLA (8a ed.)

Baldick, Robert. The Duel: A History of Duelling. Orig. ed. 1965. Spring Books, 1970.