Cita APA (7th ed.)

Fein, R. J. (1979). Robert Lowell (2a. ed.). Twayne Publishers.

Cita Chicago (17th ed.)

Fein, Richard J. Robert Lowell. 2a. ed. Boston: Twayne Publishers, 1979.

Cita MLA (9th ed.)

Fein, Richard J. Robert Lowell. 2a. ed. Twayne Publishers, 1979.