APA (7th ed.) Citation

Guzmán, M. L., & De Onís, H. (1965). The eagle and the serpent. Dolphin Books.

Chicago Style (17th ed.) Citation

Guzmán, Martín Luis, and Harriet De Onís. The Eagle and the Serpent. Garden City, N.Y.: Dolphin Books, 1965.

MLA (9th ed.) Citation

Guzmán, Martín Luis, and Harriet De Onís. The Eagle and the Serpent. Dolphin Books, 1965.