Citazione Stile APA (7a Edizione)

Spiller, R. E. (1963). The cycle of American literature: An essay in historical criticism (6th print.). New American Library.

Citazione stile Chigago Style (17a edizione)

Spiller, Robert Ernest. The Cycle of American Literature: An Essay in Historical Criticism. 6th print. New York: New American Library, 1963.

Citatione MLA (8a ed.)

Spiller, Robert Ernest. The Cycle of American Literature: An Essay in Historical Criticism. 6th print. New American Library, 1963.