APA (7th ed.) Citation

Aristóteles, Arrizabalaga, G., & Gómez Pin, V. (1999). Kategoriak (Organon). Gaiak.

Chicago Style (17th ed.) Citation

Aristóteles, Gotzon Arrizabalaga, and Víctor Gómez Pin. Kategoriak (Organon). Donostia: Gaiak, 1999.

MLA (9th ed.) Citation

Aristóteles, et al. Kategoriak (Organon). Gaiak, 1999.