APA (7th ed.) Citation

Soto, H. U., Fagundez, J. M. P., & Jiménez, O. A. Penetrating thoracic trauma by pencil: An unusual school accident. Elsevier.

Chicago Style (17th ed.) Citation

Soto, Hugo Urrutia, Juan Marcos Peraza Fagundez, and Oscar Ariscain Jiménez. Penetrating Thoracic Trauma by Pencil: An Unusual School Accident. Elsevier.

MLA (9th ed.) Citation

Soto, Hugo Urrutia, et al. Penetrating Thoracic Trauma by Pencil: An Unusual School Accident. Elsevier.