Cita APA (7a ed.)

Johnson, R. L., & Foreyt, B. (1983). Mountain goats and mountain sheep of Washington. Washington Dept. of Game.

Cita Chicago Style (17a ed.)

Johnson, Rolf L., y Bill Foreyt. Mountain Goats and Mountain Sheep of Washington. Washington Dept. of Game, 1983.

Cita MLA (8a ed.)

Johnson, Rolf L., y Bill Foreyt. Mountain Goats and Mountain Sheep of Washington. Washington Dept. of Game, 1983.

Precaución: Estas citas no son 100% exactas.