APA引文

Harris, J. (2002). Shedding light on an underground problem. National Academy of Sciences.

Citação norma Chicago

Harris, Jeanne. Shedding Light On an Underground Problem. National Academy of Sciences, 2002.

MLA引文

Harris, Jeanne. Shedding Light On an Underground Problem. National Academy of Sciences, 2002.

警告：這些引文格式不一定是100％准確.