APA (7th ed.) Citation

McDowall, A. S., & McDowall, M. (1934). A detached observer. Oxford University Press, H. Milford.

Chicago Style (17th ed.) Citation

McDowall, Arthur Sydney, and Mary McDowall. A Detached Observer. London: Oxford University Press, H. Milford, 1934.

MLA (9th ed.) Citation

McDowall, Arthur Sydney, and Mary McDowall. A Detached Observer. Oxford University Press, H. Milford, 1934.