<div class = "btn-group" data-toggle = "buttons">
   <label class = "btn btn-primary">
      <input type = "radio" name =" options" id = "option1"> Option 1
   </label>

   <label class = "btn btn-primary">
      <input type = "radio" name = "options" id = "option2"> Option 2
   </label>

   <label class = "btn btn-primary">
      <input type = "radio" name = "options" id = "option3"> Option 3
   </label>
</div>