APA (7th ed.) Citation

Khayyam, U., Nadvi, N. A., & Mahfuz-ul-Haq, M. (1939). The Rubâʻîyât of ʻUmar-i Khayyâm. The Rayal Asiatic Society of Bengal.

Chicago Style (17th ed.) Citation

Khayyam, Umar-i-, Najeeb Ashraf Nadvi, and M. Mahfuz-ul-Haq. The Rubâʻîyât of ʻUmar-i Khayyâm. The Rayal Asiatic Society of Bengal, 1939.

MLA (9th ed.) Citation

Khayyam, Umar-i-, et al. The Rubâʻîyât of ʻUmar-i Khayyâm. The Rayal Asiatic Society of Bengal, 1939.