APA
Florey H. W., Chain E., . (1949). Antibiotics (vol-2): a survey of penicillin, steeptomycin and other antimicrobial substances from fungi actinomycetes bacteria and plants. London: Oxford Uniersity Press.
Chicago
Florey H W, Chain E, . 1949. Antibiotics (vol-2): a survey of penicillin, steeptomycin and other antimicrobial substances from fungi actinomycetes bacteria and plants. London: Oxford Uniersity Press.
Harvard
Florey H. W., Chain E., . (1949). Antibiotics (vol-2): a survey of penicillin, steeptomycin and other antimicrobial substances from fungi actinomycetes bacteria and plants. London: Oxford Uniersity Press.
MLA
Florey H W, Chain E, . Antibiotics (vol-2): a survey of penicillin, steeptomycin and other antimicrobial substances from fungi actinomycetes bacteria and plants. London: Oxford Uniersity Press. 1949.