APA-referens

Bell, M. L., Davis, D. L., & Fletcher, T. (2004). A retrospective assessment of mortality from the London smog episode of 1952: The role of influenza and pollution.

Chicago-stil citat

Bell, Michelle L., Devra L. Davis, och Tony Fletcher. A Retrospective Assessment of Mortality From the London Smog Episode of 1952: The Role of Influenza and Pollution. 2004.

MLA-referens

Bell, Michelle L., Devra L. Davis, och Tony Fletcher. A Retrospective Assessment of Mortality From the London Smog Episode of 1952: The Role of Influenza and Pollution. 2004.

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