APA Citation

Friis, L., Edling, C., & Hagmar, L. (1993). Mortality and incidence of cancer among sewage workers: A retrospective cohort study.

Chicago Style Citation

Friis, L., C. Edling, and L. Hagmar. Mortality and Incidence of Cancer Among Sewage Workers: A Retrospective Cohort Study. 1993.

MLA Citation

Friis, L., C. Edling, and L. Hagmar. Mortality and Incidence of Cancer Among Sewage Workers: A Retrospective Cohort Study. 1993.

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