APA

Williams J. C., Loyacano A. F., DeRosa A., Gurie J., Coombs D. F. & Skogerboe T. L. (19980122). A comparison of the efficacy of two treatments of doramectin injectable, ivermectin injectable and ivermectin pour-on against naturally acquired gastrointestinal nematode infections of cattle during a winter-spring grazing season. : Veterinary parasitology.

Chicago

Williams J C, Loyacano A F, DeRosa A, Gurie J, Coombs D F and Skogerboe T L. 19980122. A comparison of the efficacy of two treatments of doramectin injectable, ivermectin injectable and ivermectin pour-on against naturally acquired gastrointestinal nematode infections of cattle during a winter-spring grazing season. : Veterinary parasitology.

Harvard

Williams J. C., Loyacano A. F., DeRosa A., Gurie J., Coombs D. F. and Skogerboe T. L. (19980122). A comparison of the efficacy of two treatments of doramectin injectable, ivermectin injectable and ivermectin pour-on against naturally acquired gastrointestinal nematode infections of cattle during a winter-spring grazing season. : Veterinary parasitology.

MLA

Williams J C, Loyacano A F, DeRosa A, Gurie J, Coombs D F and Skogerboe T L. A comparison of the efficacy of two treatments of doramectin injectable, ivermectin injectable and ivermectin pour-on against naturally acquired gastrointestinal nematode infections of cattle during a winter-spring grazing season. : Veterinary parasitology. 19980122.