APA (7th ed.) Citation

PK, L., RH, B., CY, A., & R, S. (2000). Migrating oesophageal foreign body--an unusual case. Singapore medical journal, 41(2), 77.

Chicago Style (17th ed.) Citation

PK, Lu, Brett RH, Aw CY, and Singh R. "Migrating Oesophageal Foreign Body--an Unusual Case." Singapore Medical Journal 41, no. 2 (2000): 77.

MLA (9th ed.) Citation

PK, Lu, et al. "Migrating Oesophageal Foreign Body--an Unusual Case." Singapore Medical Journal, vol. 41, no. 2, 2000, p. 77.