Cita APA

Brown, P. E., & Duthie, J. J. R. (1958). Variations in the Course of Rheumatoid Arthritis.

Citación estilo Chicago

Brown, P. E., y J. J. R. Duthie. Variations in the Course of Rheumatoid Arthritis. 1958.

Cita MLA

Brown, P. E., y J. J. R. Duthie. Variations in the Course of Rheumatoid Arthritis. 1958.