APA引文

Gall, J. M., Collins, R. W., Lappano, S., Diotallevi, M. J., & Kenyon, G. J. (1989). Physicians and the ecologic crisis.

Citação norma Chicago

Gall, James M., Ronald W. Collins, Sergio Lappano, Mark J. Diotallevi, and Gregory J. Kenyon. Physicians and the Ecologic Crisis. 1989.

MLA引文

Gall, James M., et al. Physicians and the Ecologic Crisis. 1989.