توثيق جمعية علم النفس الأمريكية APA (الطبعة السابعة)

Lowell Board of Trade, Marden, R. F., & Murphy, J. (1916). Digest of the city of Lowell and its surrounding towns, pub. August 1, 1916.

توثيق أسلوب شيكاغو (الطبعة السابعة عشر)

Lowell Board of Trade, Robert Fiske Marden, و John Murphy. Digest of the City of Lowell and Its Surrounding Towns, Pub. August 1, 1916. [Lowell, Mass.], 1916.

توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)

Lowell Board of Trade, et al. Digest of the City of Lowell and Its Surrounding Towns, Pub. August 1, 1916. 1916.