Allen, E. A. (2021). Percy St.-John and the chronicle of secrets. Histria Kids.
Cita Chicago Style (17a ed.)Allen, E. A. Percy St.-John and the Chronicle of Secrets. Las Vegas, NV: Histria Kids, 2021.
Cita MLA (8a ed.)Allen, E. A. Percy St.-John and the Chronicle of Secrets. Histria Kids, 2021.
Precaución: Estas citas no son 100% exactas.