Cita APA (7th ed.)

Frost, R. (1964). Selected letters of Rober Frest. Holt , Rinehart and Winston.

Cita Chicago (17th ed.)

Frost, Robert. Selected Letters of Rober Frest. New York: Holt , Rinehart and Winston, 1964.

Cita MLA (9th ed.)

Frost, Robert. Selected Letters of Rober Frest. Holt , Rinehart and Winston, 1964.