Havens, K., & Frazer, T. (2012). Rethinking the Role of Nitrogen and Phosphorus in the Eutrophication of Aquatic Ecosystems. The University of Florida George A. Smathers Libraries.
Čikaški stil citiranja (17. izdanje)Havens, Karl, i Thomas Frazer. Rethinking the Role of Nitrogen and Phosphorus in the Eutrophication of Aquatic Ecosystems. The University of Florida George A. Smathers Libraries, 2012.
MLA način citiranja (9. izdanje)Havens, Karl, i Thomas Frazer. Rethinking the Role of Nitrogen and Phosphorus in the Eutrophication of Aquatic Ecosystems. The University of Florida George A. Smathers Libraries, 2012.
Upozorenje: Ovi citati možda nisu uvijek 100% točni.