Cita APA (7a ed.)

Hall, R. L. (1979). Exit Sherlock Holmes: The great detective's final days. Sphere books.

Cita Chicago Style (17a ed.)

Hall, Robert Lee. Exit Sherlock Holmes: The Great Detective's Final Days. London: Sphere books, 1979.

Cita MLA (8a ed.)

Hall, Robert Lee. Exit Sherlock Holmes: The Great Detective's Final Days. Sphere books, 1979.