Spiller, R. E. (1963). The cycle of American literature: An essay in historical criticism (6th print.). New American Library.
Chicago-Zitierstil (17. Ausg.)Spiller, Robert Ernest. The Cycle of American Literature: An Essay in Historical Criticism. 6th print. New York: New American Library, 1963.
MLA-Zitierstil (8. Ausg.)Spiller, Robert Ernest. The Cycle of American Literature: An Essay in Historical Criticism. 6th print. New American Library, 1963.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.