APA
Professor H J Tagnon, . (1971). European Journal of Cancer. New York: Pergamon Press.
Chicago
Professor H J Tagnon, . 1971. European Journal of Cancer. New York: Pergamon Press.
Harvard
Professor H J Tagnon, . (1971). European Journal of Cancer. New York: Pergamon Press.
MLA
Professor H J Tagnon, . European Journal of Cancer. New York: Pergamon Press. 1971.