Citazione Stile APA (7a Edizione)

Ravizza, G. E., Norris, R. N., Blusztajn, J. S., & Aubry, M. (2001). Osmium, and stable carbon and oxygen isotope record accross the PETM. PANGAEA.

Citazione stile Chigago Style (17a edizione)

Ravizza, Gregory E., R N. Norris, Jerzy S. Blusztajn, e Marie-Pierre Aubry. Osmium, and Stable Carbon and Oxygen Isotope Record Accross the PETM. PANGAEA, 2001.

Citatione MLA (9a ed.)

Ravizza, Gregory E., et al. Osmium, and Stable Carbon and Oxygen Isotope Record Accross the PETM. PANGAEA, 2001.