<link href="//netdna.bootstrapcdn.com/bootstrap/3.0.0/css/bootstrap.min.css" rel="stylesheet" id="bootstrap-css">
<script src="//netdna.bootstrapcdn.com/bootstrap/3.0.0/js/bootstrap.min.js"></script>
<script src="//code.jquery.com/jquery-1.11.1.min.js"></script>
<form class="form-horizontal">
<fieldset>
<legend>Form Name</legend>
<div class="form-group">
<label class="col-md-4 control-label" for="id_nombre">Nombre</label>
<div class="col-md-4">
<input id="id_nombre" name="id_nombre" type="text" placeholder="Ingrese el nombre" class="form-control input-md" required="">
<span class="help-block">Ingrese el nombre</span>
</div>
</div>
<div class="form-group">
<label class="col-md-4 control-label" for="id_apellido">Apellido</label>
<div class="col-md-5">
<input id="id_apellido" name="id_apellido" type="text" placeholder="Ingrese apellidos" class="form-control input-md" required="">
<span class="help-block">Ingrese apellidos</span>
</div>
</div>
<div class="form-group">
<label class="col-md-4 control-label" for="id_cedula">Cedula</label>
<div class="col-md-5">
<input id="id_cedula" name="id_cedula" type="text" placeholder="Ingrese cedula" class="form-control input-md" required="">
<span class="help-block">Ingrese cedula</span>
</div>
</div>