Cita APA (7a ed.)

Friedman, S. L., McQuaid, K. R., & Grendell, J. H. (2003). Current diagnosis & treatment in gastroenterology (2nd ed.). Lange Medical Books/McGraw-Hill.

Cita Chicago Style (17a ed.)

Friedman, Scott L., Kenneth R. McQuaid, y James H. Grendell. Current Diagnosis & Treatment in Gastroenterology. 2nd ed. New York: Lange Medical Books/McGraw-Hill, 2003.

Cita MLA (9a ed.)

Friedman, Scott L., et al. Current Diagnosis & Treatment in Gastroenterology. 2nd ed. Lange Medical Books/McGraw-Hill, 2003.