Cita APA

Lesterhuis, A., & Clay, R. P. (2003). The first record of Dunlin (Calidris alpina) in Paraguay and a summary of South American records of the species. Web

Citación estilo Chicago

Lesterhuis, A.J., and Robert P. Clay. The First Record of Dunlin (Calidris Alpina) in Paraguay and a Summary of South American Records of the Species. 2003.

Cita MLA

Lesterhuis, A.J., and Robert P. Clay. The First Record of Dunlin (Calidris Alpina) in Paraguay and a Summary of South American Records of the Species. 2003.