Gaya APA

Bolli, H. et al (1994). Benthic Foraminiferal Biostratigraphy of The South Caribbean Region . Cambridge: Cambridge Universty Press.

Gaya MLA

Bolli, H.M.. et al. "Benthic Foraminiferal Biostratigraphy of The South Caribbean Region". Cambridge: Cambridge Universty Press, 1994. Text.