Cita APA (7th ed.)

Cunliffe, M. (1970). The literature of the United States. Penguin Books.

Cita Chicago (17th ed.)

Cunliffe, Marcus. The Literature of the United States. Harmondsworth, Middlesex, England: Penguin Books, 1970.

Cita MLA (9th ed.)

Cunliffe, Marcus. The Literature of the United States. Penguin Books, 1970.