APA استشهاد

Holbl, G. (2001). A history of the Ptolemaic empire. London ; New York: Routledge.

استشهاد بنمط شيكاغو

Holbl, Gunther. A History of the Ptolemaic Empire. London ; New York: Routledge, 2001.

MLA استشهاد

Holbl, Gunther. A History of the Ptolemaic Empire. London ; New York: Routledge, 2001.