توثيق جمعية علم النفس الأمريكية APA (الطبعة السابعة)

Cicero, M. T., & How, W. W. (1925). Select letters: Of Cicero, with historical intros., notes and appendices. A new ed. based upon that of Watson. Clarendon Press.

توثيق أسلوب شيكاغو (الطبعة السابعة عشر)

Cicero, Marcus Tullius, و W. W. How. Select Letters: Of Cicero, with Historical Intros., Notes and Appendices. A New Ed. Based upon That of Watson. Oxford: Clarendon Press, 1925.

توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)

Cicero, Marcus Tullius, و W. W. How. Select Letters: Of Cicero, with Historical Intros., Notes and Appendices. A New Ed. Based upon That of Watson. Clarendon Press, 1925.