APA (7th ed.) Citation

Lionni, L., & Matute, A. M. (1998). Frederick. Editorial Lumen.

Chicago Style (17th ed.) Citation

Lionni, Leo, and Ana María Matute. Frederick. Barcelona: Editorial Lumen, 1998.

MLA (8th ed.) Citation

Lionni, Leo, and Ana María Matute. Frederick. Editorial Lumen, 1998.