APA (7th ed.) Citation
Matteucci, P., & de los Santos, J. (1972). Digestive bleeding due to gastric ulcer penetrated into spleen.
Chicago Style (17th ed.) Citation
Matteucci, Pablo, and Julio de los Santos. Digestive Bleeding Due to Gastric Ulcer Penetrated into Spleen. 1972.
MLA (9th ed.) Citation
Matteucci, Pablo, and Julio de los Santos. Digestive Bleeding Due to Gastric Ulcer Penetrated into Spleen. 1972.
Warning: These citations may not always be 100% accurate.