APA (7th ed.) Citation

Yale University & Hallo, W. W. (2001). Seals and seal impressions. CDL Press.

Chicago Style (17th ed.) Citation

Yale University and William W. Hallo. Seals and Seal Impressions. Bethesda, Md: CDL Press, 2001.

MLA (8th ed.) Citation

Yale University and William W. Hallo. Seals and Seal Impressions. CDL Press, 2001.