APA aipamena

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

Chicago Style aipamena

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

MLA aipamena

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