APA (7th ed.) Citation

Johnson, S., & McDermott, A. (1996). A dictionary of the English language on CD-ROM [computer file]. Cambridge University Press.

Chicago Style (17th ed.) Citation

Johnson, Samuel, and Anne McDermott. A Dictionary of the English Language on CD-ROM [computer File]. Cambridge: Cambridge University Press, 1996.

MLA (9th ed.) Citation

Johnson, Samuel, and Anne McDermott. A Dictionary of the English Language on CD-ROM [computer File]. Cambridge University Press, 1996.