APA (7th ed.) Citation

(1987). Bertsolariya (3a ed.). Wilsen.

Chicago Style (17th ed.) Citation

Bertsolariya. 3a ed. Bilbao: Wilsen, 1987.

MLA (9th ed.) Citation

Bertsolariya. 3a ed. Wilsen, 1987.

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