APA
Windahl S., Windahl S. & Olson J. (2000). Using Communication Theory. London: SAGE Publications.
Chicago
Windahl Sven, Windahl Sven and Olson Jean. 2000. Using Communication Theory. London: SAGE Publications.
Harvard
Windahl S., Windahl S. and Olson J. (2000). Using Communication Theory. London: SAGE Publications.
MLA
Windahl Sven, Windahl Sven and Olson Jean. Using Communication Theory. London: SAGE Publications. 2000.