National Institutes of Health (U.S.). (2011). Problems of Oncology. Pergamon Press.
Citação do estilo Chicago (17ª ed.)National Institutes of Health (U.S.). Problems of Oncology. New York: Pergamon Press, 2011.
Citação MLA (8ª ed.)National Institutes of Health (U.S.). Problems of Oncology. Pergamon Press, 2011.
警告：这些引文格式不一定是100％准确.