APA

Stapleton E. M., O'Shaughnessy P. T., Locke S. J., Altmaier R. W., Hofmann J. N., Beane Freeman L. E., Thorne P. S., Jones R. R. & Friesen M. C. (20190909). A task-based analysis of black carbon exposure in Iowa farmers during harvest. : Journal of occupational and environmental hygiene.

Chicago

Stapleton Emma M, O'Shaughnessy Patrick T, Locke Sarah J, Altmaier Ralph W, Hofmann Jonathan N, Beane Freeman Laura E, Thorne Peter S, Jones Rena R and Friesen Melissa C. 20190909. A task-based analysis of black carbon exposure in Iowa farmers during harvest. : Journal of occupational and environmental hygiene.

Harvard

Stapleton E. M., O'Shaughnessy P. T., Locke S. J., Altmaier R. W., Hofmann J. N., Beane Freeman L. E., Thorne P. S., Jones R. R. and Friesen M. C. (20190909). A task-based analysis of black carbon exposure in Iowa farmers during harvest. : Journal of occupational and environmental hygiene.

MLA

Stapleton Emma M, O'Shaughnessy Patrick T, Locke Sarah J, Altmaier Ralph W, Hofmann Jonathan N, Beane Freeman Laura E, Thorne Peter S, Jones Rena R and Friesen Melissa C. A task-based analysis of black carbon exposure in Iowa farmers during harvest. : Journal of occupational and environmental hygiene. 20190909.