Cita APA

Tidy, H. (1944). Death Rate from Peptic Ulcer in Great Britain, 1912-38.

Chicago Style Citation

Tidy, Henry. Death Rate From Peptic Ulcer in Great Britain, 1912-38. 1944.

Cita MLA

Tidy, Henry. Death Rate From Peptic Ulcer in Great Britain, 1912-38. 1944.

Atenció: Aquestes cites poden no estar 100% correctes.