APA (7th ed.) Citation

Unesco & International Geographical Union. (1970). Ecology of the subarctic regions: Proceedings of the Helsinki symposium. ?cologie des r?gions subarctiques, actes du Collogue d'Helsinki. United Nations Educational Scientific and Cultural Organization.

Chicago Style (17th ed.) Citation

Unesco and International Geographical Union. Ecology of the Subarctic Regions: Proceedings of the Helsinki Symposium. ?cologie Des R?gions Subarctiques, Actes Du Collogue D'Helsinki. Paris: United Nations Educational Scientific and Cultural Organization, 1970.

MLA (9th ed.) Citation

Unesco and International Geographical Union. Ecology of the Subarctic Regions: Proceedings of the Helsinki Symposium. ?cologie Des R?gions Subarctiques, Actes Du Collogue D'Helsinki. United Nations Educational Scientific and Cultural Organization, 1970.