Cita APA

Hopkins, R. A., & Postlethwait, R. W. (1981). Caustic burns and carcinoma of the esophagus.

Chicago Style Citation

Hopkins, R A., i R W. Postlethwait. Caustic Burns and Carcinoma of the Esophagus. 1981.

Cita MLA

Hopkins, R A., i R W. Postlethwait. Caustic Burns and Carcinoma of the Esophagus. 1981.