APA (7th ed.) Citation

Cortesi, W. W., & Bailey, J. H. (1978). Explore a spooky swamp. National Geographic Society.

Chicago Style (17th ed.) Citation

Cortesi, Wendy W., and Joseph H. Bailey. Explore a Spooky Swamp. [Washington]: National Geographic Society, 1978.

MLA (9th ed.) Citation

Cortesi, Wendy W., and Joseph H. Bailey. Explore a Spooky Swamp. National Geographic Society, 1978.