Newman, H. H., & Holzinger, K. J. (1937). Twins: A study of heredity and environment. University of Chicago Press.
Citazione stile Chigago Style (17a edizione)Newman, Horatio Hackett, e Karl J. Holzinger. Twins: A Study of Heredity and Environment. Chicago, Illinois: University of Chicago Press, 1937.
Citatione MLA (9a ed.)Newman, Horatio Hackett, e Karl J. Holzinger. Twins: A Study of Heredity and Environment. University of Chicago Press, 1937.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.