APA Citatie

Fonseca, L., Murillo, G. A., Guadamúz, L., Spínola, R. M., & Valverde, R. A. (2009). Downward but stable trend in the abundance of arribada olive ridley sea turtles (Lepidochelys olivccea) at Nancite Beach, Costa Rica (1971-2007).

Chicago Style citaat

Fonseca, Luis, Grettel A. Murillo, Lenín Guadamúz, Romero M. Spínola, en Roldán A. Valverde. Downward but Stable Trend in the Abundance of Arribada Olive Ridley Sea Turtles (Lepidochelys Olivccea) At Nancite Beach, Costa Rica (1971-2007). 2009.

MLA citatie

Fonseca, Luis, et al. Downward but Stable Trend in the Abundance of Arribada Olive Ridley Sea Turtles (Lepidochelys Olivccea) At Nancite Beach, Costa Rica (1971-2007). 2009.