APA (7th ed.) Citation

Cook, A. K. (1920). A commentary upon Browning's The ring and the book. H. Milford, Oxford University Press.

Chicago Style (17th ed.) Citation

Cook, A. K. A Commentary upon Browning's The Ring and the Book. London, New York [etc.]: H. Milford, Oxford University Press, 1920.

MLA (9th ed.) Citation

Cook, A. K. A Commentary upon Browning's The Ring and the Book. H. Milford, Oxford University Press, 1920.