APA (7e ed.) Bronvermelding
Burchfield, J. D. (1990). Lord Kelvin and the age of the earth (University of Chicago Press ed.). University of Chicago Press.
Chicago (17e ed.) Bronvermelding
Burchfield, Joe D. Lord Kelvin and the Age of the Earth. University of Chicago Press ed. Chicago: University of Chicago Press, 1990.
MLA (9e ed.) Bronvermelding
Burchfield, Joe D. Lord Kelvin and the Age of the Earth. University of Chicago Press ed. University of Chicago Press, 1990.
Let op: Deze citaties zijn niet altijd 100% accuraat.