APA (7th ed.) Citation

Gibson, J. B., & Sobin, L. H. (1978). Histological typing of tumours of the liver, biliary tract, and pancreas. World Health Organization.

Chicago Style (17th ed.) Citation

Gibson, J. B., and L. H. Sobin. Histological Typing of Tumours of the Liver, Biliary Tract, and Pancreas. Geneva: World Health Organization, 1978.

MLA (9th ed.) Citation

Gibson, J. B., and L. H. Sobin. Histological Typing of Tumours of the Liver, Biliary Tract, and Pancreas. World Health Organization, 1978.