APA

Helgesen M., Brown S. & Smith D. (1996). Active listening: introducing skills for understanding (student's book). New York. NY: Cambridge University Press.

Chicago

Helgesen Marc, Brown Steve and Smith Derolyn. 1996. Active listening: introducing skills for understanding (student's book). New York. NY: Cambridge University Press.

Harvard

Helgesen M., Brown S. and Smith D. (1996). Active listening: introducing skills for understanding (student's book). New York. NY: Cambridge University Press.

MLA

Helgesen Marc, Brown Steve and Smith Derolyn. Active listening: introducing skills for understanding (student's book). New York. NY: Cambridge University Press. 1996.