APA (7th ed.) Citation

Todd, J. A., Richards, C. J., Dixon, A., & Robinson, R. J. (2004). Gastric ulcer and malignancy – is there a need for follow-up endoscopy? Blackwell Science Ltd.

Chicago Style (17th ed.) Citation

Todd, J. A., C. J. Richards, A. Dixon, and R. J. Robinson. Gastric Ulcer and Malignancy – Is There a Need for Follow-up Endoscopy? Oxford, UK: Blackwell Science Ltd, 2004.

MLA (9th ed.) Citation

Todd, J. A., et al. Gastric Ulcer and Malignancy – Is There a Need for Follow-up Endoscopy? Blackwell Science Ltd, 2004.