Gaya APA

Williams, P, J, L, B. et al (2002). Phytoplankton Productivity: Carbon Assimilation in Marine and Freshwater Ecosystems . Oxford, UK: Blackwell Science Ltd.

Gaya MLA

Williams, P., J., Le, B.. et al. "Phytoplankton Productivity: Carbon Assimilation in Marine and Freshwater Ecosystems". Oxford, UK: Blackwell Science Ltd, 2002. Text.