Szymanski, J. (2019). Code this!: Puzzles, games, challenges, and computer coding concepts for the problem-solver in you! National Geographic.
Chicago Style (17th ed.) CitationSzymanski, Jennifer. Code This!: Puzzles, Games, Challenges, and Computer Coding Concepts for the Problem-solver in You! Washington, D.C.: National Geographic, 2019.
MLA (8th ed.) CitationSzymanski, Jennifer. Code This!: Puzzles, Games, Challenges, and Computer Coding Concepts for the Problem-solver in You! National Geographic, 2019.
Warning: These citations may not always be 100% accurate.