APA citiranje

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

Trích dẫn kiểu Chicago

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

MLA citiranje

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