APA (7th ed.) Citation

Hardwick, M. (1986). The complete guide to Sherlock Holmes. Weidenfeld and Nicolson.

Chicago Style (17th ed.) Citation

Hardwick, Michael. The Complete Guide to Sherlock Holmes. London: Weidenfeld and Nicolson, 1986.

MLA (9th ed.) Citation

Hardwick, Michael. The Complete Guide to Sherlock Holmes. Weidenfeld and Nicolson, 1986.

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