APA引文

Smith, M. (1976). Retreats for youth. Retreat resources.

芝加哥风格引文

Smith, Maury. "Retreats for Youth." Retreat Resources 1976.

MLA引文

Smith, Maury. "Retreats for Youth." Retreat Resources, 1976.

警告：这些引文格式不一定是100％准确.