APA

Schmidt D. A., . (1968). Yemen the unknown war. London: Bodley Head.

Chicago

Schmidt Dana Adams, . 1968. Yemen the unknown war. London: Bodley Head.

Harvard

Schmidt D. A., . (1968). Yemen the unknown war. London: Bodley Head.

MLA

Schmidt Dana Adams, . Yemen the unknown war. London: Bodley Head. 1968.