APA Style
Helle, W., Sabelis, M. W.. (1985).
Spider mites: their biology, natural enemies and control .
Amsterdam:
Elsevier.
Chicago Style
Helle, W., Sabelis, M. W..
Spider mites: their biology, natural enemies and control.
Amsterdam:
Elsevier,
1985.
Text.
MLA Style
Helle, W., Sabelis, M. W..
Spider mites: their biology, natural enemies and control.
Amsterdam:
Elsevier,
1985.
Text.
Turabian Style
Helle, W., Sabelis, M. W..
Spider mites: their biology, natural enemies and control.
Amsterdam:
Elsevier,
1985.
Print.