Cita APA

Gillespie, I. E. (1967). Disease of the digestive system: Duodenal ulcer. I.

Chicago Style Citation

Gillespie, I E. Disease of the Digestive System: Duodenal Ulcer. I. 1967.

Cita MLA

Gillespie, I E. Disease of the Digestive System: Duodenal Ulcer. I. 1967.

Atenció: Aquestes cites poden no estar 100% correctes.