توثيق جمعية علم النفس الأمريكية APA (الطبعة السابعة)

Roberts, J. H. Darwinism, American Protestant thinkers, and the puzzle of motivation: Jon H. Roberts. Disseminating darwinism : the role of place, race, religion, and gender.(2001).

توثيق أسلوب شيكاغو (الطبعة السابعة عشر)

Roberts, Jon H. "Darwinism, American Protestant Thinkers, and the Puzzle of Motivation: Jon H. Roberts." Disseminating Darwinism : The Role of Place, Race, Religion, and Gender.(2001) .

توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)

Roberts, Jon H. "Darwinism, American Protestant Thinkers, and the Puzzle of Motivation: Jon H. Roberts." Disseminating Darwinism : The Role of Place, Race, Religion, and Gender.(2001), .