Sullican, G. (2018). Retirement fail: The 9 reasons people flunk post work life.. John Wiley & Sons.
芝加哥风格引文Sullican, Greg. Retirement Fail: The 9 Reasons People Flunk Post Work Life.. New Jersey: John Wiley & Sons, 2018.
MLA引文Sullican, Greg. Retirement Fail: The 9 Reasons People Flunk Post Work Life.. John Wiley & Sons, 2018.
警告：这些引文格式不一定是100％准确.