APA citiranje

Winkelstein, A., Rodnan, G. P., & Heilman, J. D. (1972). Cellular immunity in progressive systemic sclerosis (scleroderma).

Citação norma Chicago

Winkelstein, A., G P. Rodnan, and J D. Heilman. Cellular Immunity in Progressive Systemic Sclerosis (scleroderma). 1972.

MLA citiranje

Winkelstein, A., G P. Rodnan, and J D. Heilman. Cellular Immunity in Progressive Systemic Sclerosis (scleroderma). 1972.