توثيق جمعية علم النفس الأمريكية APA (الطبعة السابعة)

Lang, H. J. (1946). The Wit and Wisdom of Abraham Lincoln as Reflected in His Briefer Letters and Speeches (5. Aufl.). The World Publishing Company.

توثيق أسلوب شيكاغو (الطبعة السابعة عشر)

Lang, H. Jack. The Wit and Wisdom of Abraham Lincoln as Reflected in His Briefer Letters and Speeches. 5. Aufl. Cleveland;New York: The World Publishing Company, 1946.

توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)

Lang, H. Jack. The Wit and Wisdom of Abraham Lincoln as Reflected in His Briefer Letters and Speeches. 5. Aufl. The World Publishing Company, 1946.