Janik, A., & Veigl, H. (1998). Wittgenstein in Vienna: A biographical excursion through the city and its history. Springer.
Style de citation Chicago (17e éd.)Janik, Allan, 与 Hans Veigl. Wittgenstein in Vienna: A Biographical Excursion Through the City and Its History. Wien u.a.: Springer, 1998.
Style de citation MLA (8e éd.)Janik, Allan, 与 Hans Veigl. Wittgenstein in Vienna: A Biographical Excursion Through the City and Its History. Springer, 1998.
警告：这些引文格式不一定是100％准确.