APA-referens

Spiller, R. E. (1955). The cycle of American literature: An essay in historical criticism. The Free Press.

Chicago-stil citat

Spiller, Robert E. The Cycle of American Literature: An Essay in Historical Criticism. New York: The Free Press, 1955.

MLA-referens

Spiller, Robert E. The Cycle of American Literature: An Essay in Historical Criticism. The Free Press, 1955.