APA (7th ed.) Citation

Oswald, I. (1977). El sueño: Ensueño, hipnosis, insomnio. Guadarrama.

Chicago Style (17th ed.) Citation

Oswald, Ian. El Sueño: Ensueño, Hipnosis, Insomnio. Madrid: Guadarrama, 1977.

MLA (8th ed.) Citation

Oswald, Ian. El Sueño: Ensueño, Hipnosis, Insomnio. Guadarrama, 1977.

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