APA (7th ed.) Citation

SA, E., G, K., D, C., R, H., D, K., L, K., . . . S, Z. (1999). Psychiatric disorders in patients with fibromyalgia. A multicenter investigation. Psychosomatics, 40(1), 57. https://doi.org/10.1016/S0033-3182(99)71272-7

Chicago Style (17th ed.) Citation

SA, Epstein, et al. "Psychiatric Disorders in Patients with Fibromyalgia. A Multicenter Investigation." Psychosomatics 40, no. 1 (1999): 57. https://doi.org/10.1016/S0033-3182(99)71272-7.

MLA (9th ed.) Citation

SA, Epstein, et al. "Psychiatric Disorders in Patients with Fibromyalgia. A Multicenter Investigation." Psychosomatics, vol. 40, no. 1, 1999, p. 57, https://doi.org/10.1016/S0033-3182(99)71272-7.