توثيق جمعية علم النفس الأمريكية APA (الطبعة السابعة)

Lauck, J. (2000). American agriculture and the problem of monopoly: The political economy of grain belt farming, 1953-1980. University of Nebraska Press.

توثيق أسلوب شيكاغو (الطبعة السابعة عشر)

Lauck, Jon. American Agriculture and the Problem of Monopoly: The Political Economy of Grain Belt Farming, 1953-1980. Lincoln: University of Nebraska Press, 2000.

توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)

Lauck, Jon. American Agriculture and the Problem of Monopoly: The Political Economy of Grain Belt Farming, 1953-1980. University of Nebraska Press, 2000.