APA citiranje

Berkowitz, K., Regan, J. A., & Greenberg, E. (1990). Antibiotic resistance patterns of group B streptococci in pregnant women.

Citação norma Chicago

Berkowitz, K., J A. Regan, and E. Greenberg. Antibiotic Resistance Patterns of Group B Streptococci in Pregnant Women. 1990.

MLA citiranje

Berkowitz, K., J A. Regan, and E. Greenberg. Antibiotic Resistance Patterns of Group B Streptococci in Pregnant Women. 1990.