APA (7th ed.) Citation

Heerden, J. A. v., & Blengio, J. R. Cirugía gástrica.

Chicago Style (17th ed.) Citation

Heerden, John A. van, and José Rafaél Blengio. Cirugía Gástrica.

MLA (8th ed.) Citation

Heerden, John A. van, and José Rafaél Blengio. Cirugía Gástrica.

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