APA استشهاد

Libes, S. (2009). Introduction to marine biogeochemistry (2nd ed.). Elsevier.

استشهاد بنمط شيكاغو

Libes, Susan. Introduction to Marine Biogeochemistry. 2nd ed. London: Elsevier, 2009.

MLA استشهاد

Libes, Susan. Introduction to Marine Biogeochemistry. 2nd ed. Elsevier, 2009.