This is basically the best magick book ever written. It will teach you everything you need to know to contact spirits. I tried to paste the text here but it's way too long, so I'm leaving it linked here as an internet archive scanned book, text format and as an audiobook.
Franz Bardon Practice Of Magical Evocation ( 1) : Free Download, Borrow, and Streaming : Internet Archive
The magical evocation of forces.
archive.org