Cita APA (7a ed.)

Dorling Kindersley Limited. (2018). First Earth encyclopedia (Revised edition.). DK Publishing.

Cita Chicago Style (17a ed.)

Dorling Kindersley Limited. First Earth Encyclopedia. Revised edition. New York, NY: DK Publishing, 2018.

Cita MLA (8a ed.)

Dorling Kindersley Limited. First Earth Encyclopedia. Revised edition. DK Publishing, 2018.

Precaución: Estas citas no son 100% exactas.