ScienceDirect (Online service) & Kuipers, E. J. (2020). Encyclopedia of gastroenterology (Second edition.). Academic Press.
Chicago Style (17th ed.) CitationScienceDirect (Online service) and Ernst J. Kuipers. Encyclopedia of Gastroenterology. Second edition. Amsterdam: Academic Press, 2020.
MLA (9th ed.) CitationScienceDirect (Online service) and Ernst J. Kuipers. Encyclopedia of Gastroenterology. Second edition. Academic Press, 2020.
Warning: These citations may not always be 100% accurate.