APA (7th ed.) Citation

Flack, W. F., Wiener, M., & Miller, D. R. (1991). What Is Schizophrenia? Springer New York.

Chicago Style (17th ed.) Citation

Flack, William F., Morton Wiener, and Daniel R. Miller. What Is Schizophrenia? New York, NY: Springer New York, 1991.

MLA (9th ed.) Citation

Flack, William F., et al. What Is Schizophrenia? Springer New York, 1991.