APA引文

Willoughby, L. G. (1976). Freshwater biology. Hutchinson.

Chicago Edition Citation

Willoughby, L. G. Freshwater Biology. London: Hutchinson, 1976.

MLA引文

Willoughby, L. G. Freshwater Biology. Hutchinson, 1976.

警告：这些引文格式不一定是100％准确.