توثيق جمعية علم النفس الأمريكية APA (الطبعة السابعة)

McCaughey, R. (2014). A lever long enough: A history of Columbia's School of Engineering and Applied Science since 1864. Columbia University Press.

توثيق أسلوب شيكاغو (الطبعة السابعة عشر)

McCaughey, Robert. A Lever Long Enough: A History of Columbia's School of Engineering and Applied Science Since 1864. New York: Columbia University Press, 2014.

توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)

McCaughey, Robert. A Lever Long Enough: A History of Columbia's School of Engineering and Applied Science Since 1864. Columbia University Press, 2014.