APA (7th ed.) Citation

Crystal, G. S. (1992). What are you worth? Whittle Direct Books.

Chicago Style (17th ed.) Citation

Crystal, Graef S. What Are You Worth? Knoxville, Tenn.: Whittle Direct Books, 1992.

MLA (8th ed.) Citation

Crystal, Graef S. What Are You Worth? Whittle Direct Books, 1992.