توثيق جمعية علم النفس الأمريكية APA (الطبعة السابعة)

Marks, J. (2002). What it means to be 98% chimpanzee: Apes, people, and their genes. University of California Press.

توثيق أسلوب شيكاغو (الطبعة السابعة عشر)

Marks, Jonathan. What It Means to Be 98% Chimpanzee: Apes, People, and Their Genes. Berkeley: University of California Press, 2002.

توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)

Marks, Jonathan. What It Means to Be 98% Chimpanzee: Apes, People, and Their Genes. University of California Press, 2002.