@Article{156356,
     author = "Aleksander Gella",
     title = ""Social Darwinism in American Thought, 1860-1915", Richard Hofstadter, 1955 : [recenzja] ",
     year =  1960,
     volume =  5,
     number =  2,
     journal =  Kwartalnik Historii Nauki i Techniki,
     pages =  s. 273-276,
    }