APA (7th ed.) Citation

Grey, Z., & Guardiola, A. (1944). El Cuchillo fatídico. Juventud.

Chicago Style (17th ed.) Citation

Grey, Zane, and Antonio Guardiola. El Cuchillo Fatídico. Barcelona: Juventud, 1944.

MLA (9th ed.) Citation

Grey, Zane, and Antonio Guardiola. El Cuchillo Fatídico. Juventud, 1944.

Warning: These citations may not always be 100% accurate.