APA citiranje

de Wit, R., Kaye, S. B., Roberts, J. T., Stoter, G., Scott, J., & Verweij, J. (1993). Oral piritrexim, an effective treatment for metastatic urothelial cancer. Nature Publishing Group.

Citação norma Chicago

de Wit, R., S. B. Kaye, J. T. Roberts, G. Stoter, J. Scott, and J. Verweij. Oral Piritrexim, an Effective Treatment for Metastatic Urothelial Cancer. Nature Publishing Group, 1993.

MLA citiranje

de Wit, R., et al. Oral Piritrexim, an Effective Treatment for Metastatic Urothelial Cancer. Nature Publishing Group, 1993.