APA Alıntı

O'Callaghan, C. H., Acred, P., Harper, P. B., Ryan, D. M., Kirby, S. M., & Harding, S. M. (1980). GR 20263, a new broad-spectrum cephalosporin with anti-pseudomonal activity.

Chicago Stili Alıntı

O'Callaghan, C H., P. Acred, P B. Harper, D M. Ryan, S M. Kirby, ve S M. Harding. GR 20263, a New Broad-spectrum Cephalosporin With Anti-pseudomonal Activity. 1980.

MLA Alıntı

O'Callaghan, C H., et al. GR 20263, a New Broad-spectrum Cephalosporin With Anti-pseudomonal Activity. 1980.