Cox, M. J. Families as systems. [article].
芝加哥风格引文Cox, Martha J. Families as Systems. [article].
MLA引文Cox, Martha J. Families as Systems. [article].
警告：这些引文格式不一定是100％准确.
APA引文
Cox, M. J. Families as systems. [article].
芝加哥风格引文Cox, Martha J. Families as Systems. [article].
MLA引文Cox, Martha J. Families as Systems. [article].