APA (7th ed.) Citation

Agnone, J. V. (2014). What in the world?: Fun-tastic photo puzzles for curious minds. National Geographic.

Chicago Style (17th ed.) Citation

Agnone, Julie Vosburgh. What in the World?: Fun-tastic Photo Puzzles for Curious Minds. Washington, DC: National Geographic, 2014.

MLA (8th ed.) Citation

Agnone, Julie Vosburgh. What in the World?: Fun-tastic Photo Puzzles for Curious Minds. National Geographic, 2014.

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