APA aipamena

Barnes, C. G., Currey, H. L., Dunne, J. F., Hazleman, B., Mason, R. M., & Strickland, I. D. (1969). Azathioprine: A controlled, double-blind trial in rheumatoid arthritis.

Chicago Style aipamena

Barnes, C G., H L. Currey, J F. Dunne, B. Hazleman, R M. Mason, and I D. Strickland. Azathioprine: A Controlled, Double-blind Trial in Rheumatoid Arthritis. 1969.

MLA aipamena

Barnes, C G., et al. Azathioprine: A Controlled, Double-blind Trial in Rheumatoid Arthritis. 1969.