APA (7th ed.) Citation

Aurelio de Echarri Aranaz. (1975). Euskal pillota.

Chicago Style (17th ed.) Citation

Aurelio de Echarri Aranaz. Euskal Pillota. 1975.

MLA (9th ed.) Citation

Aurelio de Echarri Aranaz. Euskal Pillota. 1975.

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