APA (7th ed.) Citation

LL, E., EM, Q., RK, H., R, H., & RF, P. (1994). Characterization of swallowing and defecation in Parkinson's disease. The American journal of gastroenterology, 89(1), 15.

Chicago Style (17th ed.) Citation

LL, Edwards, Quigley EM, Harned RK, Hofman R, and Pfeiffer RF. "Characterization of Swallowing and Defecation in Parkinson's Disease." The American Journal of Gastroenterology 89, no. 1 (1994): 15.

MLA (9th ed.) Citation

LL, Edwards, et al. "Characterization of Swallowing and Defecation in Parkinson's Disease." The American Journal of Gastroenterology, vol. 89, no. 1, 1994, p. 15.

Warning: These citations may not always be 100% accurate.