APA (7th ed.) Citation

Lang, D. M., & Walker, C. J. (1987). The Armenians ([4.] new rev. ed.).

Chicago Style (17th ed.) Citation

Lang, David Marshall, and Christopher J. Walker. The Armenians. [4.] new rev. ed. London, 1987.

MLA (9th ed.) Citation

Lang, David Marshall, and Christopher J. Walker. The Armenians. [4.] new rev. ed. 1987.