APA način citiranja

Farr, B. M., Conner, E. M., Betts, R. F., Oleske, J., Minnefor, A., & Gwaltney, J. M. (1987). Two randomized controlled trials of zinc gluconate lozenge therapy of experimentally induced rhinovirus colds.

Čikaški stil citiranja

Farr, B M., E M. Conner, R F. Betts, J. Oleske, A. Minnefor, i J M. Gwaltney. Two Randomized Controlled Trials of Zinc Gluconate Lozenge Therapy of Experimentally Induced Rhinovirus Colds. 1987.

MLA način citiranja

Farr, B M., et al. Two Randomized Controlled Trials of Zinc Gluconate Lozenge Therapy of Experimentally Induced Rhinovirus Colds. 1987.