توثيق جمعية علم النفس الأمريكية APA (الطبعة السابعة)

Kaplan, L. (1952). The growth of reference service in the United States from 1876 to 1893. Publications Committee, Association of College and Reference Libraries.

توثيق أسلوب شيكاغو (الطبعة السابعة عشر)

Kaplan, Louis. The Growth of Reference Service in the United States from 1876 to 1893. [Chicago]: Publications Committee, Association of College and Reference Libraries, 1952.

توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)

Kaplan, Louis. The Growth of Reference Service in the United States from 1876 to 1893. Publications Committee, Association of College and Reference Libraries, 1952.