APA

Chapman R., Simpson S. j. & Douglas A. (2013). The insects. New york: Cambridge University Press.

Chicago

Chapman R.F, Simpson Stephen j and Douglas Angela. 2013. The insects. New york: Cambridge University Press.

Harvard

Chapman R., Simpson S. j. and Douglas A. (2013). The insects. New york: Cambridge University Press.

MLA

Chapman R.F, Simpson Stephen j and Douglas Angela. The insects. New york: Cambridge University Press. 2013.