APA
Beard L. R., Maxwell W. C., . (1982). Water for human consumption : Man and his environment. Dublin: World Congress of the International Water Resources Association.
Chicago
Beard Leo R, Maxwell W.hall C, . 1982. Water for human consumption : Man and his environment. Dublin: World Congress of the International Water Resources Association.
Harvard
Beard L. R., Maxwell W. C., . (1982). Water for human consumption : Man and his environment. Dublin: World Congress of the International Water Resources Association.
MLA
Beard Leo R, Maxwell W.hall C, . Water for human consumption : Man and his environment. Dublin: World Congress of the International Water Resources Association. 1982.