APA (7th ed.) Citation

Simon, P., Soubrié, P., & Widlöcher, D. (1988). An Inquiry into schizophrenia and depression. Karger.

Chicago Style (17th ed.) Citation

Simon, Pierre, P. Soubrié, and Daniel Widlöcher. An Inquiry into Schizophrenia and Depression. Basel ; New York: Karger, 1988.

MLA (9th ed.) Citation

Simon, Pierre, et al. An Inquiry into Schizophrenia and Depression. Karger, 1988.