APA
Friedman H., . (1981). Immunomodulation by bacteria and their products. New York: Plenum.
Chicago
Friedman Herman, . 1981. Immunomodulation by bacteria and their products. New York: Plenum.
Harvard
Friedman H., . (1981). Immunomodulation by bacteria and their products. New York: Plenum.
MLA
Friedman Herman, . Immunomodulation by bacteria and their products. New York: Plenum. 1981.