APA Edition Citation

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

Chicago Edition Citation

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

MLA Edition Citation

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

Advarsel: Disse citationer er muligvist ikke 100% nøjagtige.