APA (7th ed.) Citation

Malfertheiner, P., & Ditschuneit, H. (1990). Helicobacter pylori, Gastritis and Peptic Ulcer. Springer Berlin Heidelberg.

Chicago Style (17th ed.) Citation

Malfertheiner, P., and H. Ditschuneit. Helicobacter Pylori, Gastritis and Peptic Ulcer. Berlin, Heidelberg: Springer Berlin Heidelberg, 1990.

MLA (9th ed.) Citation

Malfertheiner, P., and H. Ditschuneit. Helicobacter Pylori, Gastritis and Peptic Ulcer. Springer Berlin Heidelberg, 1990.