Citação norma APA

O'Connor, R. J. (2012). Non-cigarette tobacco products: What have we learned and where are we headed?

Citação norma Chicago

O'Connor, Richard J. Non-cigarette Tobacco Products: What Have We Learned and Where Are We Headed? 2012.

Citação norma MLA

O'Connor, Richard J. Non-cigarette Tobacco Products: What Have We Learned and Where Are We Headed? 2012.

Nota: a formatação da citação pode não corresponder 100% ao definido pela respectiva norma.