APA Edition Citation

Michael & Hardwick, M. (1962). Sherlock Holmes companion. John Murray.

Chicago Edition Citation

Michael and Mollie Hardwick. Sherlock Holmes Companion. London: John Murray, 1962.

MLA Edition Citation

Michael and Mollie Hardwick. Sherlock Holmes Companion. John Murray, 1962.

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