APA

Schaefer J. M., Andrews R. D. & Dinsmore J. J.Assessment of coyote and dog predation on sheep in southern Iowa. : .

Chicago

Schaefer Joseph M, Andrews Ronald D and Dinsmore James J.Assessment of coyote and dog predation on sheep in southern Iowa. : .

Harvard

Schaefer J. M., Andrews R. D. and Dinsmore J. J.Assessment of coyote and dog predation on sheep in southern Iowa. : .

MLA

Schaefer Joseph M, Andrews Ronald D and Dinsmore James J.: . .