APA aipamena

Schwoerbel, J. (1970). Methods of hydrobiology (freshwater biology). Pergamon Press.

Chicago Style aipamena

Schwoerbel, Jurgen. Methods of Hydrobiology (freshwater Biology). Oxford: Pergamon Press, 1970.

MLA aipamena

Schwoerbel, Jurgen. Methods of Hydrobiology (freshwater Biology). Pergamon Press, 1970.