Cita APA (7th ed.)

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

Cita Chicago (17th ed.)

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

Cita MLA (8th ed.)

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