APA (7th ed.) Citation

Marzollo, J. (2000). I spy extreme challenger!: A book of picture riddles. Scholastic.

Chicago Style (17th ed.) Citation

Marzollo, Jean. I Spy Extreme Challenger!: A Book of Picture Riddles. New York: Scholastic, 2000.

MLA (8th ed.) Citation

Marzollo, Jean. I Spy Extreme Challenger!: A Book of Picture Riddles. Scholastic, 2000.

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