(1500). [Unidentified illustration of four persons meeting, one atop a tower]. s.n..
Chicago Style (17th ed.) Citation[Unidentified Illustration of Four Persons Meeting, One Atop a Tower]. [S.l.: s.n., 1500.
MLA (8th ed.) Citation[Unidentified Illustration of Four Persons Meeting, One Atop a Tower]. s.n., 1500.
Warning: These citations may not always be 100% accurate.