APA (7th ed.) Citation

Watson, D. R., Sutherland, L., & Befus, A. D. Giardiasis in Endoscopy Patients: A Comparison of Diagnostic Techniques. Wiley.

Chicago Style (17th ed.) Citation

Watson, Doone R., Lloyd Sutherland, and A Dean Befus. Giardiasis in Endoscopy Patients: A Comparison of Diagnostic Techniques. Wiley.

MLA (9th ed.) Citation

Watson, Doone R., et al. Giardiasis in Endoscopy Patients: A Comparison of Diagnostic Techniques. Wiley.