Rick Riordan. (2011). The 39 Clues: Vespers Rising- Book 11. Scholastic.
Chicago Style (17th ed.) CitationRick Riordan. The 39 Clues: Vespers Rising- Book 11. London: Scholastic, 2011.
MLA (9th ed.) CitationRick Riordan. The 39 Clues: Vespers Rising- Book 11. Scholastic, 2011.
Warning: These citations may not always be 100% accurate.