APA (7th ed.) Citation

Robson, T. O. (1973). The control of aquatic weeds (2nd ed.). H.M.S.O..

Chicago Style (17th ed.) Citation

Robson, T. O. The Control of Aquatic Weeds. 2nd ed. London: H.M.S.O., 1973.

MLA (9th ed.) Citation

Robson, T. O. The Control of Aquatic Weeds. 2nd ed. H.M.S.O., 1973.