APA引文

Shepherd, J. A., Kerlikowske, K., Ma, L., Duewer, F., Fan, B., Wang, J., . . . Cummings, S. R. (2011). Volume of Mammographic Density and Risk of Breast Cancer.

Citação norma Chicago

Shepherd, John A., Karla Kerlikowske, Lin Ma, Frederick Duewer, Bo Fan, Jeff Wang, Sergei Malkov, Eric Vittinghoff, and Steven R. Cummings. Volume of Mammographic Density and Risk of Breast Cancer. 2011.

MLA引文

Shepherd, John A., et al. Volume of Mammographic Density and Risk of Breast Cancer. 2011.

警告:這些引文格式不一定是100%准確.