APA (7th ed.) Citation

Piet, J. (1969). An Old Babylonian Crystal Seal.

Chicago Style (17th ed.) Citation

Piet, John. An Old Babylonian Crystal Seal. 1969.

MLA (8th ed.) Citation

Piet, John. An Old Babylonian Crystal Seal. 1969.

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