Citazione Stile APA (7a Edizione)

Christie, A. (2017). Murder on the orient express. Harper collins publishers.

Citazione stile Chigago Style (17a edizione)

Christie, Agatha. Murder on the Orient Express. London: Harper collins publishers, 2017.

Citatione MLA (9a ed.)

Christie, Agatha. Murder on the Orient Express. Harper collins publishers, 2017.