Cita APA (7a ed.)

Firnberg, d. (1997). The Cassell spelling dictionary. Cassell.

Cita Chicago Style (17a ed.)

Firnberg, david. The Cassell Spelling Dictionary. London: Cassell, 1997.

Cita MLA (8a ed.)

Firnberg, david. The Cassell Spelling Dictionary. Cassell, 1997.