APA ציטוט

O'Reilly, S. M., & Richards, M. A. (1990). Node negative breast cancer.

Citação norma Chicago

O'Reilly, S M., and M A. Richards. Node Negative Breast Cancer. 1990.

ציטוט MLA

O'Reilly, S M., and M A. Richards. Node Negative Breast Cancer. 1990.