Ryding, S., & Rast, W. (1989). The Control of eutrophication of lakes and reservoirs / edited by Sven-Olof Ryding and Walter Rast with the assistance of Dietrich Uhlmann, Jürgen Clasen, Laszlo Somlyody. UNESCO ;.
Chicago Style (17th ed.) CitationRyding, Sven-Olof, and Walter Rast. The Control of Eutrophication of Lakes and Reservoirs / Edited by Sven-Olof Ryding and Walter Rast with the Assistance of Dietrich Uhlmann, Jürgen Clasen, Laszlo Somlyody. Paris ; Carnforth: UNESCO ;, 1989.
MLA (9th ed.) CitationRyding, Sven-Olof, and Walter Rast. The Control of Eutrophication of Lakes and Reservoirs / Edited by Sven-Olof Ryding and Walter Rast with the Assistance of Dietrich Uhlmann, Jürgen Clasen, Laszlo Somlyody. UNESCO ;, 1989.
Warning: These citations may not always be 100% accurate.