Citazione Stile APA (7a Edizione)
ebrary, Inc, Tingay, R. E., & Katzner, T. E. (2010). The eagle watchers: Observing and conserving raptors around the world. Comstock Pub. Associates.
Citazione stile Chigago Style (17a edizione)
ebrary, Inc, Ruth E. Tingay, e Todd E. Katzner. The Eagle Watchers: Observing and Conserving Raptors Around the World. Ithaca: Comstock Pub. Associates, 2010.
Citatione MLA (9a ed.)
ebrary, Inc, et al. The Eagle Watchers: Observing and Conserving Raptors Around the World. Comstock Pub. Associates, 2010.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.