APA (7th ed.) Citation

Clark, O. H., Duh, Q., Siperstein, A. E., & Sapiña R., S. Cirugía endocrina.

Chicago Style (17th ed.) Citation

Clark, Orlo H., Quan-Yang Duh, Allan E. Siperstein, and Santiago Sapiña R. Cirugía Endocrina.

MLA (8th ed.) Citation

Clark, Orlo H., et al. Cirugía Endocrina.