Before revision: <ref name="Journal of Genetic Psychology"> cite journal|last=Klausen|first=Espen|author2=Richard H. Passman|title=Pretend companions (imaginary playmates) : the emergence of a field|journal=Journal of Genetic Psychology|date=December URL There is little research about the concept of imaginary friends in children's imaginations.
After revision: There is little research about the concept of imaginary friends in children's imaginations.