Cita APA (7th ed.)

Hamilton, R., Perry, J., & Michael, I. (1975). The poem of the Cid (A bilingual edition with parallel text.). Penguin Books.

Cita Chicago (17th ed.)

Hamilton, Rita, Janet Perry, i Ian Michael. The Poem of the Cid. A bilingual edition with parallel text. London, England: Penguin Books, 1975.

Cita MLA (9th ed.)

Hamilton, Rita, et al. The Poem of the Cid. A bilingual edition with parallel text. Penguin Books, 1975.