APA (7th ed.) Citation

Summons, R., Freeman, K., Grice, K., & Pancost, R. (2008). Where would we be without the isotopes? Pergamon.

Chicago Style (17th ed.) Citation

Summons, Roger, K. Freeman, Kliti Grice, and R. Pancost. Where Would We Be Without the Isotopes? Pergamon, 2008.

MLA (9th ed.) Citation

Summons, Roger, et al. Where Would We Be Without the Isotopes? Pergamon, 2008.