APA引文

Wardle, F. (2009). Approaches to early childhood and elementary education. Nova Science Publishers, Inc..

芝加哥风格引文

Wardle, Francis. Approaches to Early Childhood and Elementary Education. New York: Nova Science Publishers, Inc., 2009.

MLA引文

Wardle, Francis. Approaches to Early Childhood and Elementary Education. Nova Science Publishers, Inc., 2009.

警告：这些引文格式不一定是100％准确.