APA (7th ed.) Citation

Dittmann, R. (2012). Multiple Sealed Hollow Balls. A fresh look at the Uruk System almost Thirty Years later. Fs Roaf, 69-89.

Chicago Style (17th ed.) Citation

Dittmann, Reinhard. "Multiple Sealed Hollow Balls. A Fresh Look at the Uruk System Almost Thirty Years Later." Fs Roaf 2012: 69-89.

MLA (8th ed.) Citation

Dittmann, Reinhard. "Multiple Sealed Hollow Balls. A Fresh Look at the Uruk System Almost Thirty Years Later." Fs Roaf, 2012, pp. 69-89.