APA

Wright J. F., Furse M. T. & Armitage P. D.Rivpacs a technique for evaluating the biological quality of rivers in the U. K. : .

Chicago

Wright J F, Furse M T and Armitage P D.Rivpacs a technique for evaluating the biological quality of rivers in the U. K. : .

Harvard

Wright J. F., Furse M. T. and Armitage P. D.Rivpacs a technique for evaluating the biological quality of rivers in the U. K. : .

MLA

Wright J F, Furse M T and Armitage P D.: . .