MLA

Porada, Edith. Ancient Art In Seals : Essays by Pierre Amiet, Nimet Ozgüc, and John Boardman. Princeton, N.J.: Princeton University Press, 1980.

APA

Porada, E. (1980). Ancient art in seals : essays by Pierre Amiet, Nimet Ozgüc, and John Boardman. Princeton, N.J.: Princeton University Press.

Chicago

Porada, Edith, Ancient Art In Seals: Essays by Pierre Amiet, Nimet Ozgüc, and John Boardman. Princeton, N.J.: Princeton University Press, 1980.