APA Citation

Köhler, E. C., & Birell, M. (2005). Helwan I: Excavations in the Early Dynastic cemetery : season 1997/98. [Heidelberg: Heidelberger Orientverlag.

Chicago Style Citation

Köhler, E. Christiana,, and M. Birell. Helwan I: Excavations in the Early Dynastic Cemetery : Season 1997/98. [Heidelberg: Heidelberger Orientverlag, 2005.

MLA Citation

Köhler, E. Christiana,, and M. Birell. Helwan I: Excavations in the Early Dynastic Cemetery : Season 1997/98. [Heidelberg: Heidelberger Orientverlag, 2005.

Warning: These citations may not always be 100% accurate.