APA (7th ed.) Citation

Hardwick, M., & Hardwick, M. (1973). The Charles Dickens encyclopedia (1. publ.). Osprey.

Chicago Style (17th ed.) Citation

Hardwick, Michael, and Mollie Hardwick. The Charles Dickens Encyclopedia. 1. publ. Reading, Berkshire: Osprey, 1973.

MLA (9th ed.) Citation

Hardwick, Michael, and Mollie Hardwick. The Charles Dickens Encyclopedia. 1. publ. Osprey, 1973.