APA

Beketov M. A., Foit K., Schäfer R. B., Schriever C. A., Sacchi A., Capri E., Biggs J., Wells C. & Liess M. (20091104). SPEAR indicates pesticide effects in streams--comparative use of species- and family-level biomonitoring data. : Environmental pollution (Barking, Essex : 1987).

Chicago

Beketov M A, Foit K, Schäfer R B, Schriever C A, Sacchi A, Capri E, Biggs J, Wells C and Liess M. 20091104. SPEAR indicates pesticide effects in streams--comparative use of species- and family-level biomonitoring data. : Environmental pollution (Barking, Essex : 1987).

Harvard

Beketov M. A., Foit K., Schäfer R. B., Schriever C. A., Sacchi A., Capri E., Biggs J., Wells C. and Liess M. (20091104). SPEAR indicates pesticide effects in streams--comparative use of species- and family-level biomonitoring data. : Environmental pollution (Barking, Essex : 1987).

MLA

Beketov M A, Foit K, Schäfer R B, Schriever C A, Sacchi A, Capri E, Biggs J, Wells C and Liess M. SPEAR indicates pesticide effects in streams--comparative use of species- and family-level biomonitoring data. : Environmental pollution (Barking, Essex : 1987). 20091104.