APA (7th ed.) Citation

Hudson, W. H., & Roberts, M. (1928). Men, books and birds. J. Cape.

Chicago Style (17th ed.) Citation

Hudson, W. H., and Morley Roberts. Men, Books and Birds. London: J. Cape, 1928.

MLA (9th ed.) Citation

Hudson, W. H., and Morley Roberts. Men, Books and Birds. J. Cape, 1928.