APA (7th ed.) Citation

Sande, W., & Sande, C. (2019). Hello World! Third Edition: Computer Programming for Kids and Other Beginners.

Chicago Style (17th ed.) Citation

Sande, Warren, and Carter Sande. Hello World! Third Edition: Computer Programming for Kids and Other Beginners. 2019.

MLA (9th ed.) Citation

Sande, Warren, and Carter Sande. Hello World! Third Edition: Computer Programming for Kids and Other Beginners. 2019.

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