American Board of Medical Specialties. (1993). The Official ABMS directory of board certified medical specialists. Marquis Who's Who.
Chicago Style (17th ed.) CitationAmerican Board of Medical Specialties. The Official ABMS Directory of Board Certified Medical Specialists. New Providence, NJ: Marquis Who's Who, 1993.
MLA (9th ed.) CitationAmerican Board of Medical Specialties. The Official ABMS Directory of Board Certified Medical Specialists. Marquis Who's Who, 1993.
Warning: These citations may not always be 100% accurate.