APA

O'Neill B. C., Scherbov S. & Lutz W.The long-term effect of the timing of fertility decline on population size. : .

Chicago

O'Neill B C, Scherbov S and Lutz W.The long-term effect of the timing of fertility decline on population size. : .

Harvard

O'Neill B. C., Scherbov S. and Lutz W.The long-term effect of the timing of fertility decline on population size. : .

MLA

O'Neill B C, Scherbov S and Lutz W.: . .