(2010). The eagle watchers: Observing and conserving raptors around the world. Comstock Pub. Associates.
Chicago-Zitierstil (17. Ausg.)The Eagle Watchers: Observing and Conserving Raptors Around the World. Ithaca: Comstock Pub. Associates, 2010.
MLA-Zitierstil (9. Ausg.)The Eagle Watchers: Observing and Conserving Raptors Around the World. Comstock Pub. Associates, 2010.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.