APA (7th ed.) Citation

National Geography Society. (1990). The emerald realm: Earth's precious rain forests. National Geographic Society.

Chicago Style (17th ed.) Citation

National Geography Society. The Emerald Realm: Earth's Precious Rain Forests. Washington: National Geographic Society, 1990.

MLA (9th ed.) Citation

National Geography Society. The Emerald Realm: Earth's Precious Rain Forests. National Geographic Society, 1990.

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