APA (7th ed.) Citation

(1943). Miguel de Unamuno. Espasa Calpe.

Chicago Style (17th ed.) Citation

Miguel De Unamuno. Madrid: Espasa Calpe, 1943.

MLA (9th ed.) Citation

Miguel De Unamuno. Espasa Calpe, 1943.

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