MLA

Newman, Horatio Hackett. The Physiology of Twinning. Chicago, Ill.: The University of Chicago Press, 1923.

APA

Newman, H. Hackett. (1923). The physiology of twinning. Chicago, Ill.: The University of Chicago Press.

Chicago

Newman, Horatio Hackett, The Physiology of Twinning. Chicago, Ill.: The University of Chicago Press, 1923.