Rylant, C., & Howard, A. (2013). Mr. Putter & Tabby drop the ball. Harcourt Children's Books, Houghton Mifflin Harcourt.
Cita Chicago Style (17a ed.)Rylant, Cynthia, y Arthur Howard. Mr. Putter & Tabby Drop the Ball. Boston ; New York: Harcourt Children's Books, Houghton Mifflin Harcourt, 2013.
Cita MLA (8a ed.)Rylant, Cynthia, y Arthur Howard. Mr. Putter & Tabby Drop the Ball. Harcourt Children's Books, Houghton Mifflin Harcourt, 2013.
Precaución: Estas citas no son 100% exactas.