APA način citiranja

Cameron, J. L., Maddrey, W. C., & Zuidema, G. D. (1971). Biliary tract disease in sickle cell anemia: Surgical considerations.

Čikaški stil citiranja

Cameron, J L., W C. Maddrey, i G D. Zuidema. Biliary Tract Disease in Sickle Cell Anemia: Surgical Considerations. 1971.

MLA način citiranja

Cameron, J L., W C. Maddrey, i G D. Zuidema. Biliary Tract Disease in Sickle Cell Anemia: Surgical Considerations. 1971.