Citação norma APA

Roll-Hansen, N. (2014). Commentary: Wilhelm Johannsen and the problem of heredity at the turn of the 19th century. Int J Epidemiol.

Citação norma Chicago

Roll-Hansen, Nils. "Commentary: Wilhelm Johannsen and the Problem of Heredity At the Turn of the 19th Century." Int J Epidemiol 2014.

Citação norma MLA

Roll-Hansen, Nils. "Commentary: Wilhelm Johannsen and the Problem of Heredity At the Turn of the 19th Century." Int J Epidemiol 2014.

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