Cita APA (7th ed.)

Dell, E. M. (1927). By request: The love story of Noel and Peggy from The keeper of the door, written by request of some of my readers. T.F. Unwin.

Cita Chicago (17th ed.)

Dell, Ethel M. By Request: The Love Story of Noel and Peggy from The Keeper of the Door, Written by Request of Some of My Readers. London: T.F. Unwin, 1927.

Cita MLA (8th ed.)

Dell, Ethel M. By Request: The Love Story of Noel and Peggy from The Keeper of the Door, Written by Request of Some of My Readers. T.F. Unwin, 1927.