APA引文

Stanford, C. F., Hall, G., Chivers, A., Martin, B., Nicholls, D. P., & Evans, J. (1990). Farmer's lung in Northern Ireland.

Citação norma Chicago

Stanford, C F., G. Hall, A. Chivers, B. Martin, D P. Nicholls, and J. Evans. Farmer's Lung in Northern Ireland. 1990.

MLA引文

Stanford, C F., et al. Farmer's Lung in Northern Ireland. 1990.