APA (7th ed.) Citation

Usón, J., Climent, F., & Soria, F. Endoscopia veterinaria.

Chicago Style (17th ed.) Citation

Usón, J., F. Climent, and F. Soria. Endoscopia Veterinaria.

MLA (8th ed.) Citation

Usón, J., et al. Endoscopia Veterinaria.