Cita APA (7th ed.)

Ferguson, G. (1996). The yellowstone wolves: The first year. Falcon Press.

Cita Chicago (17th ed.)

Ferguson, Gary. The Yellowstone Wolves: The First Year. Helena, Montana: Falcon Press, 1996.

Cita MLA (9th ed.)

Ferguson, Gary. The Yellowstone Wolves: The First Year. Falcon Press, 1996.