APA (7th ed.) Citation

Pérez de Ayala, R. (1920). Prometeo (2a. ed.). Calleja.

Chicago Style (17th ed.) Citation

Pérez de Ayala, Ramón. Prometeo. 2a. ed. Madrid: Calleja, 1920.

MLA (9th ed.) Citation

Pérez de Ayala, Ramón. Prometeo. 2a. ed. Calleja, 1920.

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