APA (7th ed.) Citation

Hunt, R. H. Helicobacter pylori Twenty Years on.. Wiley.

Chicago Style (17th ed.) Citation

Hunt, Richard H. Helicobacter Pylori Twenty Years on.. Wiley.

MLA (9th ed.) Citation

Hunt, Richard H. Helicobacter Pylori Twenty Years on.. Wiley.

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