APA引文

Gray, O. S. (1973). Cases and materials on environmental law (2nd ed.). The Bureau of National Affairs.

Chicago Edition Citation

Gray, Oscar S. Cases and Materials on Environmental Law. 2nd ed. Washington: The Bureau of National Affairs, 1973.

MLA引文

Gray, Oscar S. Cases and Materials on Environmental Law. 2nd ed. The Bureau of National Affairs, 1973.

警告：這些引文格式不一定是100％准確.