Cyberpunk first came into existence around late 1970s. This particular type of genre share its boundaries with science-fiction from the start and hasn’t shy away from development during the time. In terms of books, these are titles you should take look:
Artificial Intelligence in 1980s. Computer who can think and communicate with human beings as well as manipulate them in doing stuff. The story has cyberspace, data-thieves, samurai, assassins. This is 1980s we are talking about.
This book was first published in 1968 and is still ahead of time. It’s an important piece for the type of genre.
The first book in Ware tetralogy, is about an ex-computer scientist, who is on a path of immortality with the help of some robots. However, robots POV on immortality is different from what humans generally think.
In this book, pizza delivery is controlled by Mafia. This book has set benchmark for its own kind.