APA

Kohler H., Rodgers J. L. & Christensen K.Is fertility behavior in our genes? : findings from a danish twin study. : .

Chicago

Kohler H.-P, Rodgers J L and Christensen K.Is fertility behavior in our genes? : findings from a danish twin study. : .

Harvard

Kohler H., Rodgers J. L. and Christensen K.Is fertility behavior in our genes? : findings from a danish twin study. : .

MLA

Kohler H.-P, Rodgers J L and Christensen K.: . .