Harrison, I. (2004). The book of inventions: How'd they come up with that. National Geographic.
Chicago Style (17th ed.) CitationHarrison, Ian. The Book of Inventions: How'd They Come Up with That. Washington, D.C: National Geographic, 2004.
MLA (9th ed.) CitationHarrison, Ian. The Book of Inventions: How'd They Come Up with That. National Geographic, 2004.
Warning: These citations may not always be 100% accurate.