توثيق جمعية علم النفس الأمريكية APA (الطبعة السابعة)

(1897). The root of the commercial depression: A series of articles pub. in the Journal of Commerce and Commercial bulletin, May 25th, 26th and 27th, 1897.

توثيق أسلوب شيكاغو (الطبعة السابعة عشر)

The Root of the Commercial Depression: A Series of Articles Pub. in the Journal of Commerce and Commercial Bulletin, May 25th, 26th and 27th, 1897. [N.p, 1897.

توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)

The Root of the Commercial Depression: A Series of Articles Pub. in the Journal of Commerce and Commercial Bulletin, May 25th, 26th and 27th, 1897. 1897.