APA (7th ed.) Citation

Silen, W. (2000). Cope's early diagnosis of the acute abdomen (Twentieth edition.). Oxford University Press.

Chicago Style (17th ed.) Citation

Silen, William. Cope's Early Diagnosis of the Acute Abdomen. Twentieth edition. New York: Oxford University Press, 2000.

MLA (9th ed.) Citation

Silen, William. Cope's Early Diagnosis of the Acute Abdomen. Twentieth edition. Oxford University Press, 2000.