APA (7th ed.) Citation

Ryckman, W. G. (1980). What do you mean by that ?: The art of speaking and writing clearly. Dow Jones-Irwin.

Chicago Style (17th ed.) Citation

Ryckman, W. G. What Do You Mean by That ?: The Art of Speaking and Writing Clearly. Homewood, Ill: Dow Jones-Irwin, 1980.

MLA (9th ed.) Citation

Ryckman, W. G. What Do You Mean by That ?: The Art of Speaking and Writing Clearly. Dow Jones-Irwin, 1980.