APA

Roberts J. A. F., Pembrey M. E., . (1981). <An >introduction to medical genetics. : Oxford University Press.

Chicago

Roberts J A Fraser, Pembrey Marcus E, . 1981. <An >introduction to medical genetics. : Oxford University Press.

Harvard

Roberts J. A. F., Pembrey M. E., . (1981). <An >introduction to medical genetics. : Oxford University Press.

MLA

Roberts J A Fraser, Pembrey Marcus E, . <An >introduction to medical genetics. : Oxford University Press. 1981.