APA (7th ed.) Citation

Marden, C. C. (1922). Libro de Apolonio: An old Spanish poem. University Press [etc.].

Chicago Style (17th ed.) Citation

Marden, C. Carroll. Libro De Apolonio: An Old Spanish Poem. Princeton [etc.]: University Press [etc.], 1922.

MLA (9th ed.) Citation

Marden, C. Carroll. Libro De Apolonio: An Old Spanish Poem. University Press [etc.], 1922.