SharePoint 2013 Rest API Select All

How to fetch list items usng Rest service in Sharepoint 2013
 // get multiple items
    var requestUri = _spPageContextInfo.webAbsoluteUrl + '/_api/Web/Lists/getByTitle(\'Contacts\')/items/' + '?$select=Id,FirstName,Title,Email'
    // execute AJAX request
    var requestHeaders = { 'accept': 'application/json;odata=verbose' };
    $.ajax({
        url: requestUri,
        contentType: 'application/json;odata=verbose',
        headers: requestHeaders,
        success: function (response){
            /* do something on success */ },
        error: function(error)
        { /* do something on fail */ } });