APA (7th ed.) Citation

Luka, J., Katarina, I., & Nataša, O. (2017). Frequency of resistance to penicillin and erythromycin of pneumococcal strains that caused ottis media. University of Belgrade, Medical Faculty.

Chicago Style (17th ed.) Citation

Luka, Jovanović, Isailović Katarina, and Opavski Nataša. Frequency of Resistance to Penicillin and Erythromycin of Pneumococcal Strains That Caused Ottis Media. University of Belgrade, Medical Faculty, 2017.

MLA (8th ed.) Citation

Luka, Jovanović, et al. Frequency of Resistance to Penicillin and Erythromycin of Pneumococcal Strains That Caused Ottis Media. University of Belgrade, Medical Faculty, 2017.