APA Citation

 Solo''rzano, H. S. (2015).  Northstar 3: Listening & Speaking.  Pearson Education.

Chicago Style Citation

 Solo''rzano, Helen S.  Northstar 3: Listening & Speaking.  Pearson Education, 2015.

MLA Citation

 Solo''rzano, Helen S.  Northstar 3: Listening & Speaking.  Pearson Education, 2015.

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