APA (7th ed.) Citation

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

Chicago Style (17th ed.) Citation

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

MLA (9th ed.) Citation

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