APA (7th ed.) Citation

Hope , A. The Prisoner of Zendan: Rupert of Hentzau. Heron Books.

Chicago Style (17th ed.) Citation

Hope , Anthony. The Prisoner of Zendan: Rupert of Hentzau. London: Heron Books.

MLA (9th ed.) Citation

Hope , Anthony. The Prisoner of Zendan: Rupert of Hentzau. Heron Books.

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