APA (7th ed.) Citation

Schaeffer, O. A., & Zähringer, J. (1966). Potassium Argon Dating. Springer Berlin Heidelberg.

Chicago Style (17th ed.) Citation

Schaeffer, O. A., and J. Zähringer. Potassium Argon Dating. Berlin, Heidelberg: Springer Berlin Heidelberg, 1966.

MLA (9th ed.) Citation

Schaeffer, O. A., and J. Zähringer. Potassium Argon Dating. Springer Berlin Heidelberg, 1966.