APA (7th ed.) Citation

Morgenstern, S., Morgenstern, A., & Andrade, C. (1987). Cara y Cruz. Pirene.

Chicago Style (17th ed.) Citation

Morgenstern, Susie, Aliyah Morgenstern, and Chistina Andrade. Cara Y Cruz. España: Pirene, 1987.

MLA (9th ed.) Citation

Morgenstern, Susie, et al. Cara Y Cruz. Pirene, 1987.