Cita APA (American Psychological Association)

Plazaola Artola, J., & Urdanpilleta Urdanpilleta, K. (2002). Euskal artearen historia. Etor-Ostoa.

Citación Chicago Style

Plazaola Artola, Juan, and Karmele Urdanpilleta Urdanpilleta. Euskal Artearen Historia. Lasarte-Oria: Etor-Ostoa, 2002.

Cita MLA (Modern Language Association of America)

Plazaola Artola, Juan, and Karmele Urdanpilleta Urdanpilleta. Euskal Artearen Historia. Etor-Ostoa, 2002.