APA (7th ed.) Citation

Hilbers, D. (2005). The nature guide to the Bialowieza primeval forest, Poland. Crossbill Guides Foundation [u.a.].

Chicago Style (17th ed.) Citation

Hilbers, Dirk. The Nature Guide to the Bialowieza Primeval Forest, Poland. Nijmegen: Crossbill Guides Foundation [u.a.], 2005.

MLA (9th ed.) Citation

Hilbers, Dirk. The Nature Guide to the Bialowieza Primeval Forest, Poland. Crossbill Guides Foundation [u.a.], 2005.