APA (7th ed.) Citation

PG, G., R, C., RC, W., & LR, S. (1997). Pulmonary function abnormalities in patients with ulcerative colitis. The American journal of gastroenterology, 92(7), 1154.

Chicago Style (17th ed.) Citation

PG, Godet, Cowie R, Woodman RC, and Sutherland LR. "Pulmonary Function Abnormalities in Patients with Ulcerative Colitis." The American Journal of Gastroenterology 92, no. 7 (1997): 1154.

MLA (9th ed.) Citation

PG, Godet, et al. "Pulmonary Function Abnormalities in Patients with Ulcerative Colitis." The American Journal of Gastroenterology, vol. 92, no. 7, 1997, p. 1154.