A near full-house of 28,000 responded to cut-price admission prices to help City obtain their first home win of the season.
Bruce said: "It has been difficult for a couple of years with getting relegated and then trying to get back into this league.
"We wanted to get St Andrews back to what it was like three or four years ago when the atmosphere was terrific.
"Fair play to the owners. They have reduced the prices, we have seen the response and when we were up against it in the final stages the crowd played their part."