APA (7th ed.) Citation

Castle, A., & Castle, E. (1910). The secret orchard. Cassell.

Chicago Style (17th ed.) Citation

Castle, Agnes, and Egerton Castle. The Secret Orchard. London : Melbourne: Cassell, 1910.

MLA (8th ed.) Citation

Castle, Agnes, and Egerton Castle. The Secret Orchard. Cassell, 1910.