Cita APA

Arthritis Foundation, Schumacher, H. R., Klippel, J. H., & Robinson, D. R. (1988). Primer on the rheumatic diseases (9th edition.). Arthritis Foundation.

Citación estilo Chicago

Arthritis Foundation, H. Ralph Schumacher, John H. Klippel, and Dwight R. Robinson. Primer on the Rheumatic Diseases. 9th edition. Atlanta, GA: Arthritis Foundation, 1988.

Cita MLA

Arthritis Foundation, et al. Primer on the Rheumatic Diseases. 9th edition. Arthritis Foundation, 1988.