APA
Gaynor M., Haas-Wilson D. & Vogt W. B. (1998). Are invisible hands good hands? moral hazard, competition, and the second best in health care markets. Cambridge, Mass: National Bureau of Economic Research.
Chicago
Gaynor Martin, Haas-Wilson Deborah and Vogt William B. 1998. Are invisible hands good hands? moral hazard, competition, and the second best in health care markets. Cambridge, Mass: National Bureau of Economic Research.
Harvard
Gaynor M., Haas-Wilson D. and Vogt W. B. (1998). Are invisible hands good hands? moral hazard, competition, and the second best in health care markets. Cambridge, Mass: National Bureau of Economic Research.
MLA
Gaynor Martin, Haas-Wilson Deborah and Vogt William B. Are invisible hands good hands? moral hazard, competition, and the second best in health care markets. Cambridge, Mass: National Bureau of Economic Research. 1998.