APA (7th ed.) Citation

Erskine, A. J. (1977). Birds in boreal Canada: Communities, densities and adaptations. Canada. Ministry of Supply and Services.

Chicago Style (17th ed.) Citation

Erskine, Anthony J. Birds in Boreal Canada: Communities, Densities and Adaptations. Ottawa: Canada. Ministry of Supply and Services, 1977.

MLA (9th ed.) Citation

Erskine, Anthony J. Birds in Boreal Canada: Communities, Densities and Adaptations. Canada. Ministry of Supply and Services, 1977.