APA (7th ed.) Citation

Frye, R. N. (1979). The Sasanian System of Walls for Defense. Islamic Iran and Central Asia, 7-15.

Chicago Style (17th ed.) Citation

Frye, Richard Nelson. "The Sasanian System of Walls for Defense." Islamic Iran and Central Asia 1979: 7-15.

MLA (9th ed.) Citation

Frye, Richard Nelson. "The Sasanian System of Walls for Defense." Islamic Iran and Central Asia, 1979, pp. 7-15.

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