APA (7th ed.) Citation

Makhlouf, G. M., & Schultz, S. G. (1989). The gastrointestinal system: Alimentary canal. American Physiological Society.

Chicago Style (17th ed.) Citation

Makhlouf, Gabriel M., and Stanley G. Schultz. The Gastrointestinal System: Alimentary Canal. Bethesda, Maryland: American Physiological Society, 1989.

MLA (8th ed.) Citation

Makhlouf, Gabriel M., and Stanley G. Schultz. The Gastrointestinal System: Alimentary Canal. American Physiological Society, 1989.

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