Cita APA (7th ed.)

Rick Riordan. (2011). The 39 Clues: Vespers Rising- Book 11. Scholastic.

Cita Chicago (17th ed.)

Rick Riordan. The 39 Clues: Vespers Rising- Book 11. London: Scholastic, 2011.

Cita MLA (9th ed.)

Rick Riordan. The 39 Clues: Vespers Rising- Book 11. Scholastic, 2011.