APA (7th ed.) Citation

GN, V., EY, E., RH, D., & CA, S. (1997). Colchicine is an effective treatment for patients with chronic constipation: An open-label trial. Digestive diseases and sciences, 42(9), 1959. https://doi.org/10.1023/a:1018883731556

Chicago Style (17th ed.) Citation

GN, Verne, Eaker EY, Davis RH, and Sninsky CA. "Colchicine Is an Effective Treatment for Patients with Chronic Constipation: An Open-label Trial." Digestive Diseases and Sciences 42, no. 9 (1997): 1959. https://doi.org/10.1023/a:1018883731556.

MLA (9th ed.) Citation

GN, Verne, et al. "Colchicine Is an Effective Treatment for Patients with Chronic Constipation: An Open-label Trial." Digestive Diseases and Sciences, vol. 42, no. 9, 1997, p. 1959, https://doi.org/10.1023/a:1018883731556.