APA (7th ed.) Citation

ScienceDirect (Online service) & Helliwell, P. (2007). The foot and ankle in rheumatoid arthritis: A comprehensive guide. Churchill Livingstone/Elsevier.

Chicago Style (17th ed.) Citation

ScienceDirect (Online service) and Philip Helliwell. The Foot and Ankle in Rheumatoid Arthritis: A Comprehensive Guide. Edinburgh: Churchill Livingstone/Elsevier, 2007.

MLA (9th ed.) Citation

ScienceDirect (Online service) and Philip Helliwell. The Foot and Ankle in Rheumatoid Arthritis: A Comprehensive Guide. Churchill Livingstone/Elsevier, 2007.