Hardy, J. E., & Gross, S. L. (1966). Images of the Negro in American literature. University of Chicago Press.
芝加哥风格引文Hardy, John Edward, 与 Seymour Lee Gross. Images of the Negro in American Literature. Chicago: University of Chicago Press, 1966.
MLA引文Hardy, John Edward, 与 Seymour Lee Gross. Images of the Negro in American Literature. University of Chicago Press, 1966.
警告：这些引文格式不一定是100％准确.