Cita APA (7th ed.)

Khayyám, O., Fitzgerald, E., & Appelbaum, S. (1990). The Rubáiyát of Omar Khayyám: First and Fifth Editions (First publication Dover edition.). Dover Publications, Inc..

Cita Chicago (17th ed.)

Khayyám, Omar, Edward Fitzgerald, i Stanley Appelbaum. The Rubáiyát of Omar Khayyám: First and Fifth Editions. First publication Dover edition. New York, USA: Dover Publications, Inc., 1990.

Cita MLA (9th ed.)

Khayyám, Omar, et al. The Rubáiyát of Omar Khayyám: First and Fifth Editions. First publication Dover edition. Dover Publications, Inc., 1990.