APA引文

Johnston, A. W. (1989). Choices Not Chances: An Essential Guide to Your Heredity and Health. J R Coll Physicians Lond.

Citação norma Chicago

Johnston, A. W. "Choices Not Chances: An Essential Guide to Your Heredity and Health." J R Coll Physicians Lond 1989.

MLA引文

Johnston, A. W. "Choices Not Chances: An Essential Guide to Your Heredity and Health." J R Coll Physicians Lond 1989.

警告：這些引文格式不一定是100％准確.