APA (7th ed.) Citation

Kelly, G. C. (1891). XX, the fatal clue, or, Detective Burr's master case: A romance of the silent tragedy. Beadle & Adams.

Chicago Style (17th ed.) Citation

Kelly, George C. XX, the Fatal Clue, or, Detective Burr's Master Case: A Romance of the Silent Tragedy. New York: Beadle & Adams, 1891.

MLA (9th ed.) Citation

Kelly, George C. XX, the Fatal Clue, or, Detective Burr's Master Case: A Romance of the Silent Tragedy. Beadle & Adams, 1891.