APA (7th ed.) Citation

Keith, S., & Gooders, J. (1980). Collins bird guide: A photographic guide to the birds of Britain and Europe. Collins.

Chicago Style (17th ed.) Citation

Keith, S., and J. Gooders. Collins Bird Guide: A Photographic Guide to the Birds of Britain and Europe. London: Collins, 1980.

MLA (8th ed.) Citation

Keith, S., and J. Gooders. Collins Bird Guide: A Photographic Guide to the Birds of Britain and Europe. Collins, 1980.

Warning: These citations may not always be 100% accurate.