APA (7th ed.) Citation

Helgesen M. Marc & Brown S. Steven. (1999). Active Listening. Building. Skills for Understanding: Student's Book 2 (7th ed.). Cambridge, Cambridge University Press, 1999.

Chicago Style (17th ed.) Citation

Helgesen M. Marc and Brown S. Steven. Active Listening. Building. Skills for Understanding: Student's Book 2. 7th ed. Cambridge, Cambridge University Press, 1999, 1999.

MLA (9th ed.) Citation

Helgesen M. Marc and Brown S. Steven. Active Listening. Building. Skills for Understanding: Student's Book 2. 7th ed. Cambridge, Cambridge University Press, 1999, 1999.