These are some of the most popular programs for managing citations and creating bibliographies:
Free at UF
To cite your references you will need to keep track of the following information for all your resources. We recommend using a citation Management software.
Padilla, PB, & Nogales M (2009). Behavior of Kestrels Feeding on Frugivorious Lizards: Implications for Food Dispersal. Behavioral Ecology, 20(4), 872-877