APA citiranje

Koup, J. R., Toothaker, R. D., Posvar, E., Sedman, A. J., & Colburn, W. A. (1990). Theophylline dosage adjustment during enoxacin coadministration.

Citação norma Chicago

Koup, J R., R D. Toothaker, E. Posvar, A J. Sedman, and W A. Colburn. Theophylline Dosage Adjustment During Enoxacin Coadministration. 1990.

MLA citiranje

Koup, J R., et al. Theophylline Dosage Adjustment During Enoxacin Coadministration. 1990.