Cita APA (7a ed.)

Greiner, D. J. (1969). The merrill guide to Robert Frost. Charles E. Merrill.

Cita Chicago Style (17a ed.)

Greiner, Donald J. The Merrill Guide to Robert Frost. Ohio, Estados Unidos: Charles E. Merrill, 1969.

Cita MLA (9a ed.)

Greiner, Donald J. The Merrill Guide to Robert Frost. Charles E. Merrill, 1969.