Cita APA (7a ed.)

Tobalske, B. W., Shearer, R. C., & Hutto, R. L. (1991). Bird populations in logged and unlogged western Larch Douglas-fir forest in northwestern Montana. Intermountain Research Station.

Cita Chicago Style (17a ed.)

Tobalske, Bret W., Raymond C. Shearer, y Richard L. Hutto. Bird Populations in Logged and Unlogged Western Larch Douglas-fir Forest in Northwestern Montana. Ogden: Intermountain Research Station, 1991.

Cita MLA (9a ed.)

Tobalske, Bret W., et al. Bird Populations in Logged and Unlogged Western Larch Douglas-fir Forest in Northwestern Montana. Intermountain Research Station, 1991.