Cita APA (American Psychological Association)

Serra, P., Rivera Olascoaga, C., & Ispizua, P. (2022). City of Bilbao: : great naturalistic avenue (3a ed.). ISPARK XXI.

Citación Chicago Style

Serra, Peru, Charles Rivera Olascoaga, and Pedro Ispizua. City of Bilbao: : Great Naturalistic Avenue. 3a ed. Bilbao: ISPARK XXI, 2022.

Cita MLA (Modern Language Association of America)

Serra, Peru, et al. City of Bilbao: : Great Naturalistic Avenue. 3a ed. ISPARK XXI, 2022.