APA

Cavalli-Sforza L. L., Menozzi P. & Piazza A. (1994). The history and geography of human genes. Princeton: Princeton University Press.

Chicago

Cavalli-Sforza L Luca, Menozzi Paolo and Piazza Alberto. 1994. The history and geography of human genes. Princeton: Princeton University Press.

Harvard

Cavalli-Sforza L. L., Menozzi P. and Piazza A. (1994). The history and geography of human genes. Princeton: Princeton University Press.

MLA

Cavalli-Sforza L Luca, Menozzi Paolo and Piazza Alberto. The history and geography of human genes. Princeton: Princeton University Press. 1994.