Cita APA (7a ed.)

Gates, D. (1986). The Spanish ulcer: A history of the Peninsular War. W. W. Norton & Company.

Cita Chicago Style (17a ed.)

Gates, David. The Spanish Ulcer: A History of the Peninsular War. New York: W. W. Norton & Company, 1986.

Cita MLA (9a ed.)

Gates, David. The Spanish Ulcer: A History of the Peninsular War. W. W. Norton & Company, 1986.