توثيق جمعية علم النفس الأمريكية APA (الطبعة السابعة)

Hügel, F. (1961). The mystical element of religion as studied in Saint Catherine of Genoa and her friends. J. M. Dent.

توثيق أسلوب شيكاغو (الطبعة السابعة عشر)

Hügel, Friedrich. The Mystical Element of Religion as Studied in Saint Catherine of Genoa and Her Friends. London: J. M. Dent, 1961.

توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)

Hügel, Friedrich. The Mystical Element of Religion as Studied in Saint Catherine of Genoa and Her Friends. J. M. Dent, 1961.