Henry Baldwin Ward, G. C. W. Fresh water biology. John Wiley and Sons.
Chicago Style (17th ed.) CitationHenry Baldwin Ward, George Chandler Whipple. Fresh Water Biology. John Wiley and Sons.
MLA (8th ed.) CitationHenry Baldwin Ward, George Chandler Whipple. Fresh Water Biology. John Wiley and Sons.
Warning: These citations may not always be 100% accurate.