Todd, J., & Neinstedt, H. C. (1844). The foundations of success: An oration pronounced before the Philomathæan and Phrenakosmian societies of Pennsylvania college, Gettysburg, September 19, 1843 (2d ed.). Printed by H.C. Neinstedt.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Todd, John, و Heinrich C. Neinstedt. The Foundations of Success: An Oration Pronounced Before the Philomathæan and Phrenakosmian Societies of Pennsylvania College, Gettysburg, September 19, 1843. 2d ed. Gettysburg, Pa.: Printed by H.C. Neinstedt, 1844.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Todd, John, و Heinrich C. Neinstedt. The Foundations of Success: An Oration Pronounced Before the Philomathæan and Phrenakosmian Societies of Pennsylvania College, Gettysburg, September 19, 1843. 2d ed. Printed by H.C. Neinstedt, 1844.