APA citiranje

Maass, E. A., & Johnson, M. J. (1949). PENICILLIN UPTAKE BY BACTERIAL CELLS.

Citação norma Chicago

Maass, Eleanor A., and Marvin J. Johnson. PENICILLIN UPTAKE BY BACTERIAL CELLS. 1949.

MLA citiranje

Maass, Eleanor A., and Marvin J. Johnson. PENICILLIN UPTAKE BY BACTERIAL CELLS. 1949.