APA (7th ed.) Citation

Beltrán, M. C., & Filippi, M. E. (1990). Quetzalcoatl.

Chicago Style (17th ed.) Citation

Beltrán, María Cristina, and María Esther Filippi. Quetzalcoatl. Córdoba, Argentina, 1990.

MLA (9th ed.) Citation

Beltrán, María Cristina, and María Esther Filippi. Quetzalcoatl. 1990.

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