Cita APA (7a ed.)

Frost, R., & Graves, R. (1963). Selected Poems of Robert Frost. Holt.

Cita Chicago Style (17a ed.)

Frost, Robert, y Robert Graves. Selected Poems of Robert Frost. New York: Holt, 1963.

Cita MLA (8a ed.)

Frost, Robert, y Robert Graves. Selected Poems of Robert Frost. Holt, 1963.