Crystal, N. M. (2008). Professional responsibility: Problems of practice and the profession (4th ed.). Aspen.
Chicago Style (17th ed.) CitationCrystal, Nathan M. Professional Responsibility: Problems of Practice and the Profession. 4th ed. New York: Aspen, 2008.
MLA (9th ed.) CitationCrystal, Nathan M. Professional Responsibility: Problems of Practice and the Profession. 4th ed. Aspen, 2008.
Warning: These citations may not always be 100% accurate.