APA (7th ed.) Citation

Berndt, H., Klein, K., & Wildner, G. P. Regional and Social Differences in Cancer Incidence of the Digestive Tract in the German Democratic Republic.

Chicago Style (17th ed.) Citation

Berndt, H., K. Klein, and G. P. Wildner. Regional and Social Differences in Cancer Incidence of the Digestive Tract in the German Democratic Republic.

MLA (9th ed.) Citation

Berndt, H., et al. Regional and Social Differences in Cancer Incidence of the Digestive Tract in the German Democratic Republic.

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