Cita APA

Gerber, P. L. (1966). Robert Frost. New York: Twayne Publishers, Inc.

Chicago Style Citation

Gerber, Philip L. Robert Frost. New York: Twayne Publishers, Inc, 1966.

Cita MLA

Gerber, Philip L. Robert Frost. New York: Twayne Publishers, Inc, 1966.

Atenció: Aquestes cites poden no estar 100% correctes.