Bohme, F. G., & Wyatt, J. P. (1991). 100 years of data processing: The punchcard century. U.S. Dept. of Commerce, Bureau of the Census, Data User Services Division.
Chicago Style (17th ed.) CitationBohme, Frederick G., and J. Paul Wyatt. 100 Years of Data Processing: The Punchcard Century. [Washington, DC]: U.S. Dept. of Commerce, Bureau of the Census, Data User Services Division, 1991.
MLA (9th ed.) CitationBohme, Frederick G., and J. Paul Wyatt. 100 Years of Data Processing: The Punchcard Century. U.S. Dept. of Commerce, Bureau of the Census, Data User Services Division, 1991.
Warning: These citations may not always be 100% accurate.