HOFFMAN, S. (2021). Aging with a plan: How a little thought today can vastly improve your tomorrow. ANTHEM PRESS.
芝加哥风格引文HOFFMAN, SHARONA. Aging with a Plan: How a Little Thought Today Can Vastly Improve Your Tomorrow. [S.l.]: ANTHEM PRESS, 2021.
MLA引文HOFFMAN, SHARONA. Aging with a Plan: How a Little Thought Today Can Vastly Improve Your Tomorrow. ANTHEM PRESS, 2021.
警告：这些引文格式不一定是100％准确.