The library system will be updated starting at 7 p.m. on the 5th of May. Online library services will be unavailable during the update and the self-service time of the libraries closes already at 7 p.m. on Sunday 5 May. Most libraries will be closed on Monday 6 May. We aim to restore services by 12 o'clock on 7 May or as soon as the update is complete. For more information about the update, please check the News section.

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Record Citations

APA Citation

Warner, G. C., & Cunningham, D. (1973). Mystery behind the wall ([New ed.].). Albert Whitman & Company.

Chicago Style Citation

Warner, Gertrude Chandler, and David Cunningham. Mystery Behind the Wall. [New ed.]. Morton Grove, IL: Albert Whitman & Company, 1973.

MLA Citation

Warner, Gertrude Chandler, and David Cunningham. Mystery Behind the Wall. [New ed.]. Albert Whitman & Company, 1973.

Harvard Style Citation

Warner, G. C. & Cunningham, D. 1973. Mystery behind the wall. [New ed.]. Morton Grove, IL: Albert Whitman & Company.

Remember to check citations for accuracy before including them in your work.