Matthews, R. (1993). Cities, seals and writing: Archaic seal impressions from Jemdet Nasr and Ur. Materialien zu den frühen Schriftzeugnissen des Vorderen Orients.
Chicago Style (17th ed.) CitationMatthews, Roger. "Cities, Seals and Writing: Archaic Seal Impressions from Jemdet Nasr and Ur." Materialien Zu Den Frühen Schriftzeugnissen Des Vorderen Orients 1993.
MLA (8th ed.) CitationMatthews, Roger. "Cities, Seals and Writing: Archaic Seal Impressions from Jemdet Nasr and Ur." Materialien Zu Den Frühen Schriftzeugnissen Des Vorderen Orients, 1993.
Warning: These citations may not always be 100% accurate.