APA (7th ed.) Citation

Unamuno, M. d. (1972). Cartas, 1903-1933 ([1. ed.). Aguilar.

Chicago Style (17th ed.) Citation

Unamuno, Miguel de. Cartas, 1903-1933. [1. ed. Barcelona]: Aguilar, 1972.

MLA (8th ed.) Citation

Unamuno, Miguel de. Cartas, 1903-1933. [1. ed. Aguilar, 1972.

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