Franklin

MLA

Sommerville, Maxwell. Engraved Gems : Their Place In the History of Art. Philadelphia (Pa.): Porter & Coates, 1877.

APA

Sommerville, M. (1877). Engraved gems : their place in the history of art. Philadelphia (Pa.): Porter & Coates.

Chicago

Sommerville, Maxwell, Engraved Gems: Their Place In the History of Art. Philadelphia (Pa.): Porter & Coates, 1877.