Query Builder codes to equivalent eloquent codes in laravel 5.5

how to get multiple tables value in by eloquent in laravel..??

Below my query builder codes, I want to write the codes in eloquent.

Pls let me know the full procedure.

$productById = DB::table('products')
                ->join('categories','products.categoryID', '=', 'categories.id' )
                ->join('manufacturers','products.manufacturerID', '=', 'manufacturers.id' )
                ->select('products.*','categories.categoryName','manufacturers.manufacturerName')
                ->where('products.id', $id)
                ->first();

via Chebli Mohamed