APA استشهاد

Burroughs, W. J. (2003). Weather cycles: Real or imaginary? (2nd ed.). Cambridge University.

استشهاد بنمط شيكاغو

Burroughs, William James. Weather Cycles: Real or Imaginary? 2nd ed. Cambridge: Cambridge University, 2003.

MLA استشهاد

Burroughs, William James. Weather Cycles: Real or Imaginary? 2nd ed. Cambridge University, 2003.