APA
Worthington J., Ollier W. E., Leach M. K., Smith I., Hay E. M., Thomson W., Pepper L., Carthy D., Farhan A. & Martin S. (19941118). The Arthritis and Rheumatism Council's National Repository of Family Material: pedigrees from the first 100 rheumatoid arthritis families containing affected sibling pairs. : British journal of rheumatology.
Chicago
Worthington J, Ollier W E, Leach M K, Smith I, Hay E M, Thomson W, Pepper L, Carthy D, Farhan A and Martin S. 19941118. The Arthritis and Rheumatism Council's National Repository of Family Material: pedigrees from the first 100 rheumatoid arthritis families containing affected sibling pairs. : British journal of rheumatology.
Harvard
Worthington J., Ollier W. E., Leach M. K., Smith I., Hay E. M., Thomson W., Pepper L., Carthy D., Farhan A. and Martin S. (19941118). The Arthritis and Rheumatism Council's National Repository of Family Material: pedigrees from the first 100 rheumatoid arthritis families containing affected sibling pairs. : British journal of rheumatology.
MLA
Worthington J, Ollier W E, Leach M K, Smith I, Hay E M, Thomson W, Pepper L, Carthy D, Farhan A and Martin S. The Arthritis and Rheumatism Council's National Repository of Family Material: pedigrees from the first 100 rheumatoid arthritis families containing affected sibling pairs. : British journal of rheumatology. 19941118.