APA (7th ed.) Citation

Gerber, P. L. (1982). Robert Frost (Rev. ed.). Twayne.

Chicago Style (17th ed.) Citation

Gerber, Philip L. Robert Frost. Rev. ed. Boston: Twayne, 1982.

MLA (9th ed.) Citation

Gerber, Philip L. Robert Frost. Rev. ed. Twayne, 1982.