Cita APA (7a ed.)

Ballard, W. B., Jr. (1997). Demographics, movements, and predation rates of wolves in northwest Alaska. University Microfilms International.

Cita Chicago Style (17a ed.)

Ballard, Warren Baxter, Jr. Demographics, Movements, and Predation Rates of Wolves in Northwest Alaska. Ann Arbor: University Microfilms International, 1997.

Cita MLA (9a ed.)

Ballard, Warren Baxter, Jr. Demographics, Movements, and Predation Rates of Wolves in Northwest Alaska. University Microfilms International, 1997.