APA način citiranja

Barkulis, S. S., Walsh, G., & Ekstedt, R. D. (1958). STUDIES OF STREPTOCOCCAL CELL WALLS II: Type-Specific Antigenicity in Rabbits.

Čikaški stil citiranja

Barkulis, S. S., Gerald Walsh, i Richard D. Ekstedt. STUDIES OF STREPTOCOCCAL CELL WALLS II: Type-Specific Antigenicity in Rabbits. 1958.

MLA način citiranja

Barkulis, S. S., Gerald Walsh, i Richard D. Ekstedt. STUDIES OF STREPTOCOCCAL CELL WALLS II: Type-Specific Antigenicity in Rabbits. 1958.