APA استشهاد

Burroughs, W. J. (1992). Weather cycles: : real or imaginary. Cambridge University Press.

استشهاد بنمط شيكاغو

Burroughs, William James. Weather Cycles: : Real or Imaginary. London: Cambridge University Press, 1992.

MLA استشهاد

Burroughs, William James. Weather Cycles: : Real or Imaginary. Cambridge University Press, 1992.