توثيق جمعية علم النفس الأمريكية APA (الطبعة السابعة)

Powell, J. W. (1957). The exploration of the Colorado River (Abridged from the 1st ed. of 1875. With an introd. by Wallace Stegner.). University of Chicago Press.

توثيق أسلوب شيكاغو (الطبعة السابعة عشر)

Powell, John Wesley. The Exploration of the Colorado River. Abridged from the 1st ed. of 1875. With an introd. by Wallace Stegner. [Chicago]: University of Chicago Press, 1957.

توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)

Powell, John Wesley. The Exploration of the Colorado River. Abridged from the 1st ed. of 1875. With an introd. by Wallace Stegner. University of Chicago Press, 1957.