توثيق جمعية علم النفس الأمريكية APA (الطبعة السابعة)

Zimmerman, P. R., & Peden, G. T. (1974). Mississippi personal income: Selected years, 1929-1971 (4th ed.). Division of Research, College of Business and Industry, Mississippi State University.

توثيق أسلوب شيكاغو (الطبعة السابعة عشر)

Zimmerman, Peggy R., و Guy Theron Peden. Mississippi Personal Income: Selected Years, 1929-1971. 4th ed. State College: Division of Research, College of Business and Industry, Mississippi State University, 1974.

توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)

Zimmerman, Peggy R., و Guy Theron Peden. Mississippi Personal Income: Selected Years, 1929-1971. 4th ed. Division of Research, College of Business and Industry, Mississippi State University, 1974.