APA (7th ed.) Citation

Classen, M., Adler, D. G., & Tytgat, G. N. J. (2010). Gastroenterological endoscopy (Second edition.). Thieme.

Chicago Style (17th ed.) Citation

Classen, Meinhard, Douglas G. Adler, and Guido N. J. Tytgat. Gastroenterological Endoscopy. Second edition. Stuttgart ; New York, NY: Thieme, 2010.

MLA (9th ed.) Citation

Classen, Meinhard, et al. Gastroenterological Endoscopy. Second edition. Thieme, 2010.