APA

Yarshater E., . (2006). The seleucid, parthian and sasanian periods. New York: Cambridge University.

Chicago

Yarshater Ehsan, . 2006. The seleucid, parthian and sasanian periods. New York: Cambridge University.

Harvard

Yarshater E., . (2006). The seleucid, parthian and sasanian periods. New York: Cambridge University.

MLA

Yarshater Ehsan, . The seleucid, parthian and sasanian periods. New York: Cambridge University. 2006.