As he explains, “[Cigarettes] don’t kill you unless you light them.... You put the killing thing right between your teeth, but you don’t give it the power to do its killing” (Green 44).

A. Does not need a citation

B. Needs a citation

B. Needs a citation

B. Needs a citation.

In academic writing, it is crucial to provide proper citations to give credit to the original source and avoid plagiarism. In this case, the quote is attributed to the author "Green," but without proper context such as the full name of the author, the title of the work, and publication details, it would be difficult for readers to verify the source and authenticity of the statement. Therefore, a citation is required to support the claim and provide readers with the necessary information to locate the source if needed.