APA aipamena

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

Chicago Style aipamena

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

MLA aipamena

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