توثيق جمعية علم النفس الأمريكية APA (الطبعة السابعة)

Soufas, C. C. (2007). The subject in question: Early contemporary Spanish literature and Modernism. Catholic University of America Press.

توثيق أسلوب شيكاغو (الطبعة السابعة عشر)

Soufas, C. Christopher. The Subject in Question: Early Contemporary Spanish Literature and Modernism. Washington, D.C.: Catholic University of America Press, 2007.

توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)

Soufas, C. Christopher. The Subject in Question: Early Contemporary Spanish Literature and Modernism. Catholic University of America Press, 2007.