Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.

APA Citation Edition Citation

University of Pennsylvania. University Museum & Sommerville, M. (1957). Cameo and intaglio;: Engraved gems from the Sommerville collections. University museum.

Chicago Citation Edition Citation

University of Pennsylvania. University Museum und Maxwell Sommerville. Cameo and Intaglio;: Engraved Gems from the Sommerville Collections. Philadelphia,: University museum, 1957.

MLA Citation Edition Citation

University of Pennsylvania. University Museum und Maxwell Sommerville. Cameo and Intaglio;: Engraved Gems from the Sommerville Collections. University museum, 1957.