ProQuest Information and Learning Company, Chadwyck-Healey, Inc, & Bell & Howell Information and Learning. Periodicals archive online. ProQuest Information and Learning Company.
Chicago Style (17th ed.) CitationProQuest Information and Learning Company, Inc Chadwyck-Healey, and Bell & Howell Information and Learning. Periodicals Archive Online. [Ann Arbor, Mich.]: ProQuest Information and Learning Company.
MLA (9th ed.) CitationProQuest Information and Learning Company, et al. Periodicals Archive Online. ProQuest Information and Learning Company.
Warning: These citations may not always be 100% accurate.