Bing, R. (1972). 5000 nights at the opera: The memoirs of Sir Rudolf Bing. Popular Library.
Citazione stile Chigago Style (17a edizione)Bing, Rudolf. 5000 Nights at the Opera: The Memoirs of Sir Rudolf Bing. Nueva York: Popular Library, 1972.
Citatione MLA (9a ed.)Bing, Rudolf. 5000 Nights at the Opera: The Memoirs of Sir Rudolf Bing. Popular Library, 1972.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.