توثيق جمعية علم النفس الأمريكية APA (الطبعة السابعة)

Oltmanns, J., & Nicholson, D. (2018). The half has never been told: Five faces of America, by David Nicholson ; [exhibition] / Galerie Michael Haas. [Editor: Janna Oltmanns. Text: David Nicholson].

توثيق أسلوب شيكاغو (الطبعة السابعة عشر)

Oltmanns, Janna, و David Nicholson. The Half Has Never Been Told: Five Faces of America, by David Nicholson ; [exhibition] / Galerie Michael Haas. [Editor: Janna Oltmanns. Text: David Nicholson]. Berlin, 2018.

توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)

Oltmanns, Janna, و David Nicholson. The Half Has Never Been Told: Five Faces of America, by David Nicholson ; [exhibition] / Galerie Michael Haas. [Editor: Janna Oltmanns. Text: David Nicholson]. 2018.