Allen, K. R. (1989). Single women/family ties: Life histories of older women. Sage Publications.
芝加哥风格引文Allen, Katherine R. Single Women/family Ties: Life Histories of Older Women. Newbury Park, Calif.: Sage Publications, 1989.
MLA引文Allen, Katherine R. Single Women/family Ties: Life Histories of Older Women. Sage Publications, 1989.
警告：这些引文格式不一定是100％准确.