Gaya APA
      Rutz, D, A., Patterson, R, S. (1990).
    BIOCONTROL OF ARTHROPODS AFFECTING LIVESTOCK AND POULTRY .
    United States of America:
  WESTVIEW PRESS.
  
Gaya MLA
      Rutz, Donald, A.., Patterson, Richard, S..
    "BIOCONTROL OF ARTHROPODS AFFECTING LIVESTOCK AND POULTRY".
    
    United States of America:
  WESTVIEW PRESS,
  1990.
  Text.