Hilton, J. (1942). Lost horizons; dramatized by Anne Coulter Martens and Christopher Sergel. Dramatic Pub.
Citazione stile Chigago Style (17a edizione)Hilton, James. Lost Horizons; Dramatized by Anne Coulter Martens and Christopher Sergel. Chicago: Dramatic Pub, 1942.
Citatione MLA (9a ed.)Hilton, James. Lost Horizons; Dramatized by Anne Coulter Martens and Christopher Sergel. Dramatic Pub, 1942.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.