APA引文

Kolev, S. T., House, I., Bell, G., Shaw, D., & Murray, V. (1996). Concentration of blood lead and ethnicity in the United Kingdom.

Citação norma Chicago

Kolev, S T., I. House, G. Bell, D. Shaw, and V. Murray. Concentration of Blood Lead and Ethnicity in the United Kingdom. 1996.

MLA引文

Kolev, S T., et al. Concentration of Blood Lead and Ethnicity in the United Kingdom. 1996.