APA

Cross T. F., Mills C. P. R. & Courcy Williams M. d.An intensive study of allozyme variation in freshwater resident and anadromous trout, Salmo trutta L., in western Ireland. : .

Chicago

Cross T F, Mills C P R and Courcy Williams M de.An intensive study of allozyme variation in freshwater resident and anadromous trout, Salmo trutta L., in western Ireland. : .

Harvard

Cross T. F., Mills C. P. R. and Courcy Williams M. d.An intensive study of allozyme variation in freshwater resident and anadromous trout, Salmo trutta L., in western Ireland. : .

MLA

Cross T F, Mills C P R and Courcy Williams M de.: . .