Davies, P. C. W. (1979). forces of nature. Cambridge University Press.
Čikaški stil citiranjaDavies, P C W. Forces of Nature. Cambridge: Cambridge University Press, 1979.
MLA način citiranjaDavies, P C W. Forces of Nature. Cambridge University Press, 1979.
Upozorenje: Ovi citati možda nisu uvijek 100% točni.