APA (7th ed.) Citation

Armstrong, E. A. (1940). Birds of the grey wind. Oxford University Press.

Chicago Style (17th ed.) Citation

Armstrong, Edward Allworthy. Birds of the Grey Wind. London, New York [etc.]: Oxford University Press, 1940.

MLA (9th ed.) Citation

Armstrong, Edward Allworthy. Birds of the Grey Wind. Oxford University Press, 1940.