APA

Ballard W. B., Whitman J. S. & Gardner C. L. (1987). Ecology of an exploited wolf population in south-central Alaska. Bethesda, Maryland, United States: The Wildlife Society.

Chicago

Ballard Warren B, Whitman Jackson S and Gardner Craig L. 1987. Ecology of an exploited wolf population in south-central Alaska. Bethesda, Maryland, United States: The Wildlife Society.

Harvard

Ballard W. B., Whitman J. S. and Gardner C. L. (1987). Ecology of an exploited wolf population in south-central Alaska. Bethesda, Maryland, United States: The Wildlife Society.

MLA

Ballard Warren B, Whitman Jackson S and Gardner Craig L. Ecology of an exploited wolf population in south-central Alaska. Bethesda, Maryland, United States: The Wildlife Society. 1987.