APA (7th ed.) Citation

Freeman, E. (2018). Head first learn to code (First edition.). O'Reilly Media.

Chicago Style (17th ed.) Citation

Freeman, Eric. Head First Learn to Code. First edition. Sebastopol, CA: O'Reilly Media, 2018.

MLA (9th ed.) Citation

Freeman, Eric. Head First Learn to Code. First edition. O'Reilly Media, 2018.