diff --git a/solidify-citation-model/src/main/java/ch/unige/solidify/model/Citation.java b/solidify-citation-model/src/main/java/ch/unige/solidify/model/Citation.java
index bc8b0868eac81be608cfde854e2ecffd6d7c069f..5185bf9529b2fb30d46b85474c54d3c42953adeb 100644
--- a/solidify-citation-model/src/main/java/ch/unige/solidify/model/Citation.java
+++ b/solidify-citation-model/src/main/java/ch/unige/solidify/model/Citation.java
@@ -35,15 +35,18 @@ import javax.validation.constraints.Size;
 import ch.unige.solidify.CitationConstants;
 import ch.unige.solidify.SolidifyConstants;
 import ch.unige.solidify.rest.ResourceNormalized;
-import ch.unige.solidify.util.ReflectionTool;
 
 @Entity
 @Table(uniqueConstraints = { @UniqueConstraint(columnNames = { "itemId", "mode", "language", "style", "outputFormat" }) })
 public class Citation extends ResourceNormalized {
 
-  public enum Mode {BIBLIOGRAPHY, CITATION}
+  public enum Mode {
+    BIBLIOGRAPHY, CITATION
+  }
 
-  public enum OutputFormat {TEXT, HTML, ASCII_DOC, FO, RTF}
+  public enum OutputFormat {
+    TEXT, HTML, ASCII_DOC, FO, RTF
+  }
 
   @NotNull
   private String itemId;
@@ -57,7 +60,7 @@ public class Citation extends ResourceNormalized {
   private String language;
 
   @NotNull
-  @Size(min = 1, max = SolidifyConstants.DB_SHORT_STRING_LENGTH)
+  @Size(min = 1, max = SolidifyConstants.DB_MEDIUM_STRING_LENGTH)
   private String style;
 
   @Enumerated(EnumType.STRING)