APA (7th ed.) Citation

Leone, S. (1984). Once upon a time in America [. Warner Bros.

Chicago Style (17th ed.) Citation

Leone, Sergio. Once upon a Time in America [. s.l: Warner Bros, 1984.

MLA (9th ed.) Citation

Leone, Sergio. Once upon a Time in America [. Warner Bros, 1984.

Warning: These citations may not always be 100% accurate.