APA (7th ed.) Citation

Hardwick, J. M. D., & Hardwick, M. (1973). The Charles Dickens encyclopedia. Osprey.

Chicago Style (17th ed.) Citation

Hardwick, John Michael Drinkrow, and Mollie Hardwick. The Charles Dickens Encyclopedia. [Reading, Berkshire]: Osprey, 1973.

MLA (9th ed.) Citation

Hardwick, John Michael Drinkrow, and Mollie Hardwick. The Charles Dickens Encyclopedia. Osprey, 1973.