APA

Frye R. N., . (1975). The Cambridge history of Iran. London: Cambridge University Press.

Chicago

Frye Richard N, . 1975. The Cambridge history of Iran. London: Cambridge University Press.

Harvard

Frye R. N., . (1975). The Cambridge history of Iran. London: Cambridge University Press.

MLA

Frye Richard N, . The Cambridge history of Iran. London: Cambridge University Press. 1975.