Citazione Stile APA (7a Edizione)

Frost, R. For once, then, something: Robert Frost. The Northeast.(1979).

Citazione stile Chigago Style (17a edizione)

Frost, Robert. "For Once, Then, Something: Robert Frost." The Northeast.(1979) .

Citatione MLA (8a ed.)

Frost, Robert. "For Once, Then, Something: Robert Frost." The Northeast.(1979), .