my $ref = \{@list[2..4]};

##</code><code>##

my $ref = [@list[2..4]]

##</code><code>##

#!/usr/bin/perl
use Data::Dumper;
use strict;
use warnings;

my @list = (0, 1, 2, 3, 4, 5, 6, 7);
print "@list\n";
my @short = @list[1..4];
print "@short\n";
my $ref = \{@list[2..4]};
print Dumper $ref;

__DATA__
0 1 2 3 4 5 6 7
1 2 3 4
Odd number of elements in anonymous hash at C:\test_bed\testme.pl line 10.
$VAR1 = \{
            '4' => undef,
            '2' => 3
          };