APA-referens

Cooper, J. P. (1975). Photosynthesis and productivity in different environments. Cambridge University Press.

Chicago-stil citat

Cooper, J P. Photosynthesis and Productivity in Different Environments. Londan: Cambridge University Press, 1975.

MLA-referens

Cooper, J P. Photosynthesis and Productivity in Different Environments. Cambridge University Press, 1975.