APA (7th ed.) Citation

Pepin, R., & Porcelli, D. (2002). Origin of noble gases in the terrestrial planets.

Chicago Style (17th ed.) Citation

Pepin, R., and D. Porcelli. Origin of Noble Gases in the Terrestrial Planets. 2002.

MLA (9th ed.) Citation

Pepin, R., and D. Porcelli. Origin of Noble Gases in the Terrestrial Planets. 2002.

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