Cita APA (7th ed.)

Whittier, J. G., & Warren, R. P. (1971). John Greenleaf Whittier's poetry: An appraisal and a selection. University of Minnesota Press.

Cita Chicago (17th ed.)

Whittier, John Greenleaf, i Robert Penn Warren. John Greenleaf Whittier's Poetry: An Appraisal and a Selection. Minneapolis: University of Minnesota Press, 1971.

Cita MLA (9th ed.)

Whittier, John Greenleaf, i Robert Penn Warren. John Greenleaf Whittier's Poetry: An Appraisal and a Selection. University of Minnesota Press, 1971.