APA引文

Leppard, G. G. (1983). Trace element speciation in surface waters and its ecological implications. Plenum.

Chicago Edition Citation

Leppard, Gray G. Trace Element Speciation in Surface Waters and Its Ecological Implications. New York: Plenum, 1983.

MLA引文

Leppard, Gray G. Trace Element Speciation in Surface Waters and Its Ecological Implications. Plenum, 1983.

警告：這些引文格式不一定是100％准確.