APA (7th ed.) Citation

Foster, A. (2011). Sherlock Holmes and Conan Doyle Locations: A Visitor's Guide.

Chicago Style (17th ed.) Citation

Foster, Allan. Sherlock Holmes and Conan Doyle Locations: A Visitor's Guide. 2011.

MLA (9th ed.) Citation

Foster, Allan. Sherlock Holmes and Conan Doyle Locations: A Visitor's Guide. 2011.

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