MLA

Cope, Zachary. The Early Diagnosis of the Acute Abdomen. 5th ed. London: Milford, Oxford university press, 1928.

APA

Cope, Z. (1928). The early diagnosis of the acute abdomen. 5th ed. London: Milford, Oxford university press.

Chicago

Cope, Zachary, The Early Diagnosis of the Acute Abdomen. 5th ed. London: Milford, Oxford university press, 1928.