APA (7th ed.) Citation

(1994). Helicobacter pylori: Its role in gastrointestinal disease. Science Press.

Chicago Style (17th ed.) Citation

Helicobacter Pylori: Its Role in Gastrointestinal Disease. London: Science Press, 1994.

MLA (9th ed.) Citation

Helicobacter Pylori: Its Role in Gastrointestinal Disease. Science Press, 1994.

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