APA (7e ed.) Bronvermelding

Burchfield, J. D. (1975). Lord Kelvin and the age of the earth. Science History Publications.

Chicago (17e ed.) Bronvermelding

Burchfield, Joe D. Lord Kelvin and the Age of the Earth. New York: Science History Publications, 1975.

MLA (9e ed.) Bronvermelding

Burchfield, Joe D. Lord Kelvin and the Age of the Earth. Science History Publications, 1975.