Cita APA (7a ed.)

Bernstrom, D., & Evans, S. (2020). Big Papa and the time machine (First edition.). Harper, an imprint of HarperCollins Publishers.

Cita Chicago Style (17a ed.)

Bernstrom, Daniel, y Shane Evans. Big Papa and the Time Machine. First edition. New York: Harper, an imprint of HarperCollins Publishers, 2020.

Cita MLA (8a ed.)

Bernstrom, Daniel, y Shane Evans. Big Papa and the Time Machine. First edition. Harper, an imprint of HarperCollins Publishers, 2020.

Precaución: Estas citas no son 100% exactas.