APA (7th ed.) Citation

Hudson, W. H., & Beddard, F. E. (1968). British birds ([1st AMS ed.].). AMS Press.

Chicago Style (17th ed.) Citation

Hudson, W. H., and Frank E. Beddard. British Birds. [1st AMS ed.]. New York: AMS Press, 1968.

MLA (9th ed.) Citation

Hudson, W. H., and Frank E. Beddard. British Birds. [1st AMS ed.]. AMS Press, 1968.