APA (7th ed.) Citation

Sterry, P., & Nature Photographers Ltd. (1994). Field guide to birds of Britain and Europe.

Chicago Style (17th ed.) Citation

Sterry, Paul, and Nature Photographers Ltd. Field Guide to Birds of Britain and Europe. 1994.

MLA (8th ed.) Citation

Sterry, Paul, and Nature Photographers Ltd. Field Guide to Birds of Britain and Europe. 1994.

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