APA (7th ed.) Citation

Petrie, R. H., & Orizaga Samperio, J. Vigilancia fetal.

Chicago Style (17th ed.) Citation

Petrie, Roy H., and Jorge Orizaga Samperio. Vigilancia Fetal.

MLA (8th ed.) Citation

Petrie, Roy H., and Jorge Orizaga Samperio. Vigilancia Fetal.

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