Livezey, K. B. (2005). Iverson (2004) on Spotted Owls and Barred Owls: Comments on methods and conclusion. Zenodo.
Citazione stile Chigago Style (17a edizione)Livezey, Kent B. Iverson (2004) on Spotted Owls and Barred Owls: Comments on Methods and Conclusion. Zenodo, 2005.
Citatione MLA (9a ed.)Livezey, Kent B. Iverson (2004) on Spotted Owls and Barred Owls: Comments on Methods and Conclusion. Zenodo, 2005.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.