Davis, A. F. (1967). Spearheads for reform: The social settlements and the progressive movement, 1890-1914. Oxford University Press.
芝加哥风格引文Davis, Allen Freeman. Spearheads for Reform: The Social Settlements and the Progressive Movement, 1890-1914. New York: Oxford University Press, 1967.
MLA引文Davis, Allen Freeman. Spearheads for Reform: The Social Settlements and the Progressive Movement, 1890-1914. Oxford University Press, 1967.
警告：这些引文格式不一定是100％准确.