APA ציטוט

Axon, A., & Forman, D. (1997). Helicobacter gastroduodenitis: A serious infectious disease.

Citação norma Chicago

Axon, A., and D. Forman. Helicobacter Gastroduodenitis: A Serious Infectious Disease. 1997.

ציטוט MLA

Axon, A., and D. Forman. Helicobacter Gastroduodenitis: A Serious Infectious Disease. 1997.