APA

Roberts R. S., Julian J. A., Sweezey D., Muir D. C., Shannon H. S. & Mastromatteo E. (19900412). A study of mortality in workers engaged in the mining, smelting, and refining of nickel. I: Methodology and mortality by major cause groups. : Toxicology and industrial health.

Chicago

Roberts R S, Julian J A, Sweezey D, Muir D C, Shannon H S and Mastromatteo E. 19900412. A study of mortality in workers engaged in the mining, smelting, and refining of nickel. I: Methodology and mortality by major cause groups. : Toxicology and industrial health.

Harvard

Roberts R. S., Julian J. A., Sweezey D., Muir D. C., Shannon H. S. and Mastromatteo E. (19900412). A study of mortality in workers engaged in the mining, smelting, and refining of nickel. I: Methodology and mortality by major cause groups. : Toxicology and industrial health.

MLA

Roberts R S, Julian J A, Sweezey D, Muir D C, Shannon H S and Mastromatteo E. A study of mortality in workers engaged in the mining, smelting, and refining of nickel. I: Methodology and mortality by major cause groups. : Toxicology and industrial health. 19900412.