APA (7th ed.) Citation

José Antonio de Donostia & Hiriart-Urruty, J. (1954). Zer zorion!

Chicago Style (17th ed.) Citation

José Antonio de Donostia and Jean Hiriart-Urruty. Zer Zorion! 1954.

MLA (9th ed.) Citation

José Antonio de Donostia and Jean Hiriart-Urruty. Zer Zorion! 1954.

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