APA (7th ed.) Citation

Gooders, J., & Harris, A. (1986). Field guide to the birds of Britain and Ireland. Kingfisher.

Chicago Style (17th ed.) Citation

Gooders, John, and Alan Harris. Field Guide to the Birds of Britain and Ireland. London: Kingfisher, 1986.

MLA (9th ed.) Citation

Gooders, John, and Alan Harris. Field Guide to the Birds of Britain and Ireland. Kingfisher, 1986.