APA (7th ed.) Citation

Ballard, R. D. (1988). Exploring our living planet. National Geographic Society.

Chicago Style (17th ed.) Citation

Ballard, Robert D. Exploring Our Living Planet. Washington: National Geographic Society, 1988.

MLA (8th ed.) Citation

Ballard, Robert D. Exploring Our Living Planet. National Geographic Society, 1988.

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