Cita APA (7th ed.)

Vickers, M. J. (1987). Ivory: A history and collector's guide. Thames and Hudson.

Cita Chicago (17th ed.)

Vickers, Michael J. Ivory: A History and Collector's Guide. [London]: Thames and Hudson, 1987.

Cita MLA (9th ed.)

Vickers, Michael J. Ivory: A History and Collector's Guide. Thames and Hudson, 1987.