Cita APA (7th ed.)

Broughton, V. (2004). Essential classification. Neal-Schuman.

Cita Chicago (17th ed.)

Broughton, Vanda. Essential Classification. New York: Neal-Schuman, 2004.

Cita MLA (9th ed.)

Broughton, Vanda. Essential Classification. Neal-Schuman, 2004.