APA استشهاد

Foster, R. (1969). Six American novelists of the nineteenth century. University of Minnesota.

استشهاد بنمط شيكاغو

Foster, Richard. Six American Novelists of the Nineteenth Century. Minnepolis: University of Minnesota, 1969.

MLA استشهاد

Foster, Richard. Six American Novelists of the Nineteenth Century. University of Minnesota, 1969.