CAREY.M.V. (1972). THE 3 INVESTIGATORS MYSTERIES: THE SINGING SERPENT.
Chicago Style (17th ed.) CitationCAREY.M.V. THE 3 INVESTIGATORS MYSTERIES: THE SINGING SERPENT. 1972.
MLA (9th ed.) CitationCAREY.M.V. THE 3 INVESTIGATORS MYSTERIES: THE SINGING SERPENT. 1972.
Warning: These citations may not always be 100% accurate.