APA Citation

Boardman, J., & Wilkins, R. L. (1968). Engraved gems: The Ionides Collection. London: Thames & Hudson.

Chicago Style Citation

Boardman, John, and Robert L. Wilkins. Engraved Gems: The Ionides Collection. London: Thames & Hudson, 1968.

MLA Citation

Boardman, John, and Robert L. Wilkins. Engraved Gems: The Ionides Collection. London: Thames & Hudson, 1968.

Warning: These citations may not always be 100% accurate.