APA Citation

 Ansarian, L., &  Problem-based Language Learning and Teaching : An Innovative Approach to Learn a New Language. (2018).  Problem-based Language Learning and Teaching: An Innovative Approach to Learn a New Language.  Imprint: Springer.

Chicago Style Citation

 Ansarian, Loghman, and  Problem-based Language Learning and Teaching : An Innovative Approach to Learn a New Language.  Problem-based Language Learning and Teaching: An Innovative Approach to Learn a New Language.  Imprint: Springer, 2018.

MLA Citation

 Ansarian, Loghman, and  Problem-based Language Learning and Teaching : An Innovative Approach to Learn a New Language.  Problem-based Language Learning and Teaching: An Innovative Approach to Learn a New Language.  Imprint: Springer, 2018.

Warning: These citations may not always be 100% accurate.