APA (7th ed.) Citation

Hamilton, E. I., & Ahrens, L. H. (1965). Applied geochronology. Academic Press.

Chicago Style (17th ed.) Citation

Hamilton, E. I., and L. H. Ahrens. Applied Geochronology. London: Academic Press, 1965.

MLA (9th ed.) Citation

Hamilton, E. I., and L. H. Ahrens. Applied Geochronology. Academic Press, 1965.