APA Style

Wehr, H. (1979). A dictionary of modern written arabic oleh Hans Wehr; edited by J. Milton Cowan (4th). Wiesbaden: Otto Harrassowitz.

MLA Style

Wehr, Hans. "A dictionary of modern written arabic oleh Hans Wehr; edited by J. Milton Cowan". 4th Wiesbaden: Otto Harrassowitz, 1979. Text.