APA (7th ed.) Citation

Hudson, W. H. (1915). Birds and man. Duckworth.

Chicago Style (17th ed.) Citation

Hudson, W. H. Birds and Man. London: Duckworth, 1915.

MLA (9th ed.) Citation

Hudson, W. H. Birds and Man. Duckworth, 1915.

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