Whittier, J. G., & Warren, R. P. (1971). John Greenleaf Whittier's poetry : an appraisal and a selection / by Robert Penn Warren: An appraisal and a selection. University of Minnesota Press.
Chicago Style (17th ed.) CitationWhittier, John Greenleaf, and Robert Penn Warren. John Greenleaf Whittier's Poetry : An Appraisal and a Selection / by Robert Penn Warren: An Appraisal and a Selection. Minneapolis: University of Minnesota Press, 1971.
MLA (9th ed.) CitationWhittier, John Greenleaf, and Robert Penn Warren. John Greenleaf Whittier's Poetry : An Appraisal and a Selection / by Robert Penn Warren: An Appraisal and a Selection. University of Minnesota Press, 1971.
Warning: These citations may not always be 100% accurate.