Janik, A., & Veigl, H. (1998). Wittgenstein in Vienna: A biographical excursion through the city and its history. Springer.
Čikaški stil citiranja (17. izdanje)Janik, Allan, i Hans Veigl. Wittgenstein in Vienna: A Biographical Excursion Through the City and Its History. Wien u.a.: Springer, 1998.
MLA način citiranja (8. izdanje)Janik, Allan, i Hans Veigl. Wittgenstein in Vienna: A Biographical Excursion Through the City and Its History. Springer, 1998.
Upozorenje: Ovi citati možda nisu uvijek 100% točni.