Dyfyniad APA
Carey, J. (1995). Eyewitness to science. Harvard University Press.
Dyfyniad Arddull Chicago
Carey, John. Eyewitness to Science. Cambridge: Harvard University Press, 1995.
Dyfyniad MLA
Carey, John. Eyewitness to Science. Harvard University Press, 1995.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.