APA (7th ed.) Citation

Johnsson, H. (1990). Professional communications--for a change. Prentice Hall.

Chicago Style (17th ed.) Citation

Johnsson, Hans. Professional Communications--for a Change. New York: Prentice Hall, 1990.

MLA (9th ed.) Citation

Johnsson, Hans. Professional Communications--for a Change. Prentice Hall, 1990.