APA (7th ed.) Citation

Deep, S. D., & Sussman, L. (1993). What to ask when you don't know what to say. MJF Books.

Chicago Style (17th ed.) Citation

Deep, Samuel D., and Lyle Sussman. What to Ask When You Don't Know What to Say. New York: MJF Books, 1993.

MLA (9th ed.) Citation

Deep, Samuel D., and Lyle Sussman. What to Ask When You Don't Know What to Say. MJF Books, 1993.