app/views/references/_form.html.erb
<%= form_for(@reference, html: {class: 'form-horizontal'}) do |f| %>
<% if @reference.errors.any? %>
<div id="error_explanation" class="panel panel-danger">
<div class="panel-heading">
<%= pluralize(@reference.errors.count, "error") %> prohibited this reference from being saved:
</div>
<div class="panel-body">
<ul>
<% @reference.errors.full_messages.each do |message| %>
<li><%= message %></li>
<% end %>
</ul>
</div>
</div>
<% end %>
<div class="form-group">
<%= f.label :reference_type %><br>
<%= f.select :reference_type, @types %>
</div>
<div id="form_author" class="form-group">
<%= f.label :author %><br>
<%= f.text_field :author %>
</div>
<div id="form_title" class="form-group">
<%= f.label :title %><br>
<%= f.text_field :title %>
</div>
<div id="form_year" class="form-group">
<%= f.label :year %><br>
<%= f.text_field :year %>
</div>
<div id="form_publisher" class="form-group">
<%= f.label :publisher %><br>
<%= f.text_field :publisher %>
</div>
<div id="form_volume" class="form-group">
<%= f.label :volume %><br>
<%= f.text_field :volume %>
</div>
<div id="form_series" class="form-group">
<%= f.label :series %><br>
<%= f.text_field :series %>
</div>
<div id="form_address" class="form-group">
<%= f.label :address %><br>
<%= f.text_field :address %>
</div>
<div id="form_edition" class="form-group">
<%= f.label :edition %><br>
<%= f.text_field :edition %>
</div>
<div id="form_journal" class="form-group">
<%= f.label :journal %><br>
<%= f.text_field :journal %>
</div>
<div id="form_number" class="form-group">
<%= f.label :number %><br>
<%= f.text_field :number %>
</div>
<div id="form_pages" class="form-group">
<%= f.label :pages %><br>
<%= f.text_field :pages %>
</div>
<div id="form_booktitle" class="form-group">
<%= f.label :pages %><br>
<%= f.text_field :pages %>
</div>
<div id="form_editor" class="form-group">
<%= f.label :pages %><br>
<%= f.text_field :pages %>
</div>
<div id="form_organisation" class="form-group">
<%= f.label :pages %><br>
<%= f.text_field :pages %>
</div>
<div id="form_month" class="form-group">
<%= f.label :pages %><br>
<%= f.text_field :pages %>
</div>
<div class="form-group">
<%= f.submit class: 'btn btn-default'%>
</div>
<% end %>