APA Citation

Griffiths, D., & Griffiths, D. Head first Kotlin: A brain-friendly guide.

Chicago Style Citation

Griffiths, Dawn, and David Griffiths. Head First Kotlin: A Brain-friendly Guide.

MLA Citation

Griffiths, Dawn, and David Griffiths. Head First Kotlin: A Brain-friendly Guide.

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