APA (7th ed.) Citation
Lamb, H. Omar Khayyam (1a. ed.). Sudamericana.
Chicago Style (17th ed.) Citation
Lamb, Harold. Omar Khayyam. 1a. ed. Bs As: Sudamericana.
MLA (9th ed.) Citation
Lamb, Harold. Omar Khayyam. 1a. ed. Sudamericana.
Warning: These citations may not always be 100% accurate.