Παραπομπή APA

Tyson, R. V., & Pearson, T. H. (1991). Modern and ancient continental shelf anoxia. Geological Society of India Council.

Παραπομπή Chicago Style

Tyson, R. V., και T. H. Pearson. Modern and Ancient Continental Shelf Anoxia. London: Geological Society of India Council, 1991.

Παραπομπή MLA

Tyson, R. V., και T. H. Pearson. Modern and Ancient Continental Shelf Anoxia. Geological Society of India Council, 1991.