Zdroj: [Suchý, Ondřej, A VEČER BUDE BIOGRAF (15), pozitivni-noviny.cz, 2011-06-16, 2011-09-17, http://www.pozitivni-noviny.cz/cz/clanek-2011060017]
Sergio Leone citáty a výroky
„Chtěl jsem film Tenkrát v Americe natočit před tím, než stará filmová klasika docela vymizí.“
Zdroj: [Toteberg, Michael, 2005, Lexikon světového filmu, Orpheus, Praha-Litvínov, 1, 491, 80-903310-7-6]
Sergio Leone: Citáty anglicky
Christopher Frayling, Spaghetti Westerns: Cowboys and Europeans from Karl May to Sergio Leone (1981), p. 129. Quoted in The Worlding Project: Doing Cultural Studies in the Era of Globalization (2007), ed. R. Wilson, C. L. Connery, Ch. 6: "'But I Did Not Shoot the Deputy': Dubbing the Yankee Frontier" by Louis Chude-Sokei, pp. 158–159, as well as in The A to Z of Westerns in Cinema (2009) by Paul Varner, p. 198, and in The Quick, the Dead and the Revived: The Many Lives of the Western Film (2016) by Joseph Maddrey, p. 104.
As quoted in Hollywood and After: The Changing Face of Movies in America (1974) by Jerzy Toeplitz, p. 141, and in The Pop Sixties: A Personal and Irreverent Guide (1985) by Andrew J. Edelstein, p. 148.