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

APA Citation Edition Citation

Betts, J. (1971). Engraved gems in the collection of the British School.

Chicago Citation Edition Citation

Betts, J.H. Engraved Gems in the Collection of the British School. 1971.

MLA Citation Edition Citation

Betts, J.H. Engraved Gems in the Collection of the British School. 1971.