APA (7th ed.) Citation

Freeman, H. J. Upper Gastrointestinal Tract Crohn's Disease. Wiley.

Chicago Style (17th ed.) Citation

Freeman, Hugh J. Upper Gastrointestinal Tract Crohn's Disease. Wiley.

MLA (9th ed.) Citation

Freeman, Hugh J. Upper Gastrointestinal Tract Crohn's Disease. Wiley.

Warning: These citations may not always be 100% accurate.