Tallis, F. (1997). How to stop worrying. Sheldon.
Cita Chicago Style (17a ed.)Tallis, Frank. How to Stop Worrying. London: Sheldon, 1997.
Cita MLA (9a ed.)Tallis, Frank. How to Stop Worrying. Sheldon, 1997.
Precaución: Estas citas no son 100% exactas.