APA引文

Nelson,C Gerald. (2001). Genetically modified organisams in agriculture economics and politics. Academic press.

Chicago Edition Citation

Nelson,C Gerald. Genetically Modified Organisams in Agriculture Economics and Politics. San Diego: Academic press, 2001.

MLA引文

Nelson,C Gerald. Genetically Modified Organisams in Agriculture Economics and Politics. Academic press, 2001.

警告：這些引文格式不一定是100％准確.