APA (7th ed.) Citation

Fernández, R., & Serna Cárdenas, D. Escala.

Chicago Style (17th ed.) Citation

Fernández, Roberto, and David Serna Cárdenas. Escala.

MLA (8th ed.) Citation

Fernández, Roberto, and David Serna Cárdenas. Escala.

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