Cita APA (7a ed.)

Johnson, C. (2015). Harold at the North Pole: A Christmas journey with the purple crayon (Revised edition.). Harper, an imprint of HarperCollinsPublishers.

Cita Chicago Style (17a ed.)

Johnson, Crockett. Harold at the North Pole: A Christmas Journey with the Purple Crayon. Revised edition. New York: Harper, an imprint of HarperCollinsPublishers, 2015.

Cita MLA (8a ed.)

Johnson, Crockett. Harold at the North Pole: A Christmas Journey with the Purple Crayon. Revised edition. Harper, an imprint of HarperCollinsPublishers, 2015.

Precaución: Estas citas no son 100% exactas.