APA (7th ed.) Citation

Martínez González, M. El Electrocardiograma precordial.

Chicago Style (17th ed.) Citation

Martínez González, M. El Electrocardiograma Precordial.

MLA (8th ed.) Citation

Martínez González, M. El Electrocardiograma Precordial.

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