APA (7th ed.) Citation

Silk, A. J., & Ray, M. L. (1973). Measuring the "qualitative value" of medical journals as advertising vehicles: By Alvin J. Silk and Michael L. Ray. Marketing Science Institute.

Chicago Style (17th ed.) Citation

Silk, Alvin J., and Michael L. Ray. Measuring the "Qualitative Value" of Medical Journals as Advertising Vehicles: By Alvin J. Silk and Michael L. Ray. Cambridge, Mass.: Marketing Science Institute, 1973.

MLA (9th ed.) Citation

Silk, Alvin J., and Michael L. Ray. Measuring the "Qualitative Value" of Medical Journals as Advertising Vehicles: By Alvin J. Silk and Michael L. Ray. Marketing Science Institute, 1973.