APA引文

Morgan, W. K. C., Burgess, D. B., Lapp, N. L., Seaton, A., & Reger, R. B. (1971). Hyperinflation of the lungs in coal miners.

Citação norma Chicago

Morgan, William Keith C., Dean B. Burgess, N. LeRoy Lapp, Anthony Seaton, and Robert B. Reger. Hyperinflation of the Lungs in Coal Miners. 1971.

MLA引文

Morgan, William Keith C., et al. Hyperinflation of the Lungs in Coal Miners. 1971.