APA (7th ed.) Citation

National Institute on Disability and Rehabilitation Research (U.S.) & Ficke, R. C. (1992). Digest of data on persons with disabilities. National Institute on Disability and Rehabilitation Research.

Chicago Style (17th ed.) Citation

National Institute on Disability and Rehabilitation Research (U.S.) and Robert C. Ficke. Digest of Data on Persons with Disabilities. Washington, D.C.: National Institute on Disability and Rehabilitation Research, 1992.

MLA (9th ed.) Citation

National Institute on Disability and Rehabilitation Research (U.S.) and Robert C. Ficke. Digest of Data on Persons with Disabilities. National Institute on Disability and Rehabilitation Research, 1992.