APA (7th ed.) Citation

Sande, W. A., & Sande, C. C. (2009). Hello world!: Computer programming for kids and other beginners. Manning.

Chicago Style (17th ed.) Citation

Sande, Warren Author, and Carter Contributor Sande. Hello World!: Computer Programming for Kids and Other Beginners. [Place of publication not identified]: Manning, 2009.

MLA (9th ed.) Citation

Sande, Warren Author, and Carter Contributor Sande. Hello World!: Computer Programming for Kids and Other Beginners. Manning, 2009.