Sugar, J. (2014). Introduction to aging: A positive, interdisciplinary approach. Springer Publishing Company.
芝加哥风格引文Sugar, Judith. Introduction to Aging: A Positive, Interdisciplinary Approach. New York, NY: Springer Publishing Company, 2014.
MLA引文Sugar, Judith. Introduction to Aging: A Positive, Interdisciplinary Approach. Springer Publishing Company, 2014.
警告：这些引文格式不一定是100％准确.