APA (7th ed.) Citation

Friedland, D., & De Witt, D. J. (1981). Duplicate record elimination in large data files.

Chicago Style (17th ed.) Citation

Friedland, Dina, and David J. De Witt. Duplicate Record Elimination in Large Data Files. Madison, 1981.

MLA (9th ed.) Citation

Friedland, Dina, and David J. De Witt. Duplicate Record Elimination in Large Data Files. 1981.