APA (7th ed.) Citation

Omar Khayyam, Graves, R. 1. . . . e. a. t., & Ali-Shah, O. e. a. t. (1968). The Rubaiyyat of Omar Khayyam ([3d ed.].). Cassell.

Chicago Style (17th ed.) Citation

Omar Khayyam, Robert 1895- ed. and tr Graves, and Omar ed. and tr Ali-Shah. The Rubaiyyat of Omar Khayyam. [3d ed.]. London: Cassell, 1968.

MLA (9th ed.) Citation

Omar Khayyam, et al. The Rubaiyyat of Omar Khayyam. [3d ed.]. Cassell, 1968.