APA

National Institutes of Health (U.S.), . (1973). Entering agreement to practice in shortage area: handbook of information for physicians (M.D. and D.O.) optometrists, dentists, podiatrists, veterinarians and pharmacists. [Washington, D.C: .

Chicago

National Institutes of Health (U.S.), . 1973. Entering agreement to practice in shortage area: handbook of information for physicians (M.D. and D.O.) optometrists, dentists, podiatrists, veterinarians and pharmacists. [Washington, D.C: .

Harvard

National Institutes of Health (U.S.), . (1973). Entering agreement to practice in shortage area: handbook of information for physicians (M.D. and D.O.) optometrists, dentists, podiatrists, veterinarians and pharmacists. [Washington, D.C: .

MLA

National Institutes of Health (U.S.), . Entering agreement to practice in shortage area: handbook of information for physicians (M.D. and D.O.) optometrists, dentists, podiatrists, veterinarians and pharmacists. [Washington, D.C: . 1973.