Cita APA (7a ed.)

Harrison, I. (2003). The book of firsts. Cassell Illustrated.

Cita Chicago Style (17a ed.)

Harrison, Ian. The Book of Firsts. London: Cassell Illustrated, 2003.

Cita MLA (9a ed.)

Harrison, Ian. The Book of Firsts. Cassell Illustrated, 2003.