Catherine Hapka. (2013). Pony Scouts: Blue Ribbon Day (I Can Read Level 2) (I Can Read Book 2.). HarperCollins.
Cita Chicago Style (17a ed.)Catherine Hapka. Pony Scouts: Blue Ribbon Day (I Can Read Level 2). I Can Read Book 2. HarperCollins, 2013.
Cita MLA (9a ed.)Catherine Hapka. Pony Scouts: Blue Ribbon Day (I Can Read Level 2). I Can Read Book 2. HarperCollins, 2013.
Precaución: Estas citas no son 100% exactas.