APA (7th ed.) Citation

Smithsonian Institution. (2022). Planet Earth! (First American edition.). DK Publishing : Smithsonian.

Chicago Style (17th ed.) Citation

Smithsonian Institution. Planet Earth! First American edition. New York, NY: DK Publishing : Smithsonian, 2022.

MLA (8th ed.) Citation

Smithsonian Institution. Planet Earth! First American edition. DK Publishing : Smithsonian, 2022.

Warning: These citations may not always be 100% accurate.