APA-viite (7. p.)
Hegeler, S. Peter and caroline: A child asks about childbirth and sex (1a.ed.). Tavistock publications limited.
Chicago-viite (17. p.)
Hegeler, Sten. Peter and Caroline: A Child Asks About Childbirth and Sex. 1a.ed. Londres: Tavistock publications limited.
MLA-viite (9. p.)
Hegeler, Sten. Peter and Caroline: A Child Asks About Childbirth and Sex. 1a.ed. Tavistock publications limited.
Varoitus: Nämä viitteet eivät aina ole täysin luotettavia.