APA (7th ed.) Citation

Baroja, P. (1935). Humano enigma (2. ed.). Espasa-Calpe.

Chicago Style (17th ed.) Citation

Baroja, Pío. Humano Enigma. 2. ed. Madrid: Espasa-Calpe, 1935.

MLA (9th ed.) Citation

Baroja, Pío. Humano Enigma. 2. ed. Espasa-Calpe, 1935.

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