Citazione Stile APA (7a Edizione)

Bonn, W. J., Gingele, F., Grobe, H., Mackensen, A., & Fütterer, D. K. (1998). Opal and barium records of six sediment cores for the last 400 ka. PANGAEA.

Citazione stile Chigago Style (17a edizione)

Bonn, Wolfgang J., Franz Gingele, Hannes Grobe, Andreas Mackensen, e Dieter K. Fütterer. Opal and Barium Records of Six Sediment Cores for the Last 400 Ka. PANGAEA, 1998.

Citatione MLA (9a ed.)

Bonn, Wolfgang J., et al. Opal and Barium Records of Six Sediment Cores for the Last 400 Ka. PANGAEA, 1998.