توثيق جمعية علم النفس الأمريكية APA (الطبعة السابعة)

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

توثيق أسلوب شيكاغو (الطبعة السابعة عشر)

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

توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)

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