APA (7th ed.) Citation

Curtis, G. (1961). A Clock for the ages: Potassium-Argon.

Chicago Style (17th ed.) Citation

Curtis, Garniss. A Clock for the Ages: Potassium-Argon. 1961.

MLA (9th ed.) Citation

Curtis, Garniss. A Clock for the Ages: Potassium-Argon. 1961.

Warning: These citations may not always be 100% accurate.