Cita APA (7a ed.)

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

Cita Chicago Style (17a ed.)

Freeman, Eric. Head First Learn to Code. First edition. Beijing, [China]: O'Reilly, 2018.

Cita MLA (9a ed.)

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