APA (7th ed.) Citation

Kirkman, F. B., & Jourdain, F. C. R. (1966). British birds / by F.B. Kirkman and F.C.R. Jourdain. Nelson.

Chicago Style (17th ed.) Citation

Kirkman, F. B., and F. C. R. Jourdain. British Birds / by F.B. Kirkman and F.C.R. Jourdain. Nelson, 1966.

MLA (9th ed.) Citation

Kirkman, F. B., and F. C. R. Jourdain. British Birds / by F.B. Kirkman and F.C.R. Jourdain. Nelson, 1966.

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