Cita APA (7a ed.)

ebrary, Inc, & Orlando, R. C. (2000). Gastroesophageal reflux disease. Dekker.

Cita Chicago Style (17a ed.)

ebrary, Inc, y Roy C. Orlando. Gastroesophageal Reflux Disease. New York: Dekker, 2000.

Cita MLA (9a ed.)

ebrary, Inc, y Roy C. Orlando. Gastroesophageal Reflux Disease. Dekker, 2000.