Green, R. (1951). How I draw birds: A practical guide for the bird-watcher. A. and C. Black.
Chicago Style (17th ed.) CitationGreen, Roland. How I Draw Birds: A Practical Guide for the Bird-watcher. London: A. and C. Black, 1951.
MLA (9th ed.) CitationGreen, Roland. How I Draw Birds: A Practical Guide for the Bird-watcher. A. and C. Black, 1951.
Warning: These citations may not always be 100% accurate.