APA (7th ed.) Citation

British Trust for Ornithology, Irish Wildbird Conservancy, & Lack, P. (1986). The Atlas of wintering birds in Britain and Ireland. Published by T. & A.D. Poyser [for] British Trust for Ornithology, Irish Wildbird Conservancy.

Chicago Style (17th ed.) Citation

British Trust for Ornithology, Irish Wildbird Conservancy, and Peter Lack. The Atlas of Wintering Birds in Britain and Ireland. Calton, Staffordshire: Published by T. & A.D. Poyser [for] British Trust for Ornithology, Irish Wildbird Conservancy, 1986.

MLA (8th ed.) Citation

British Trust for Ornithology, et al. The Atlas of Wintering Birds in Britain and Ireland. Published by T. & A.D. Poyser [for] British Trust for Ornithology, Irish Wildbird Conservancy, 1986.