Cita APA (7th ed.)

Wilbur, R. The writer: Richard Wilbur. The Northeast.(1979).

Cita Chicago (17th ed.)

Wilbur, Richard. "The Writer: Richard Wilbur." The Northeast.(1979) .

Cita MLA (8th ed.)

Wilbur, Richard. "The Writer: Richard Wilbur." The Northeast.(1979), .