Cita APA (7th ed.)
Doyle, A. C. The Valley Of Fear and The Case-Book Of Sherlock Holmes.
Cita Chicago (17th ed.)Doyle, A. C. The Valley Of Fear and The Case-Book Of Sherlock Holmes.
Cita MLA (8th ed.)Doyle, A. C. The Valley Of Fear and The Case-Book Of Sherlock Holmes.
Atenció: Aquestes cites poden no estar 100% correctes.