APA način citiranja

Retsema, J. A., English, A. R., & Lynch, J. E. (1976). Laboratory Studies with a New Broad-Spectrum Penicillin, Pirbenicillin.

Čikaški stil citiranja

Retsema, James A., Arthur R. English, i John E. Lynch. Laboratory Studies With a New Broad-Spectrum Penicillin, Pirbenicillin. 1976.

MLA način citiranja

Retsema, James A., Arthur R. English, i John E. Lynch. Laboratory Studies With a New Broad-Spectrum Penicillin, Pirbenicillin. 1976.