APA (7th ed.) Citation

Dell, E. M. (1915). The keeper of the door. T. Fisher Unwin.

Chicago Style (17th ed.) Citation

Dell, Ethel M. The Keeper of the Door. London: T. Fisher Unwin, 1915.

MLA (8th ed.) Citation

Dell, Ethel M. The Keeper of the Door. T. Fisher Unwin, 1915.

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