APA Style

Heckman, C, W. (2011). Encyclopedia of South American Aquatic Insects: Hemiptera Heteroptera Illustrated Keys to Known Families Genera and Species in South America . New York: Springer.

MLA Style

Heckman, Charles, W.. "Encyclopedia of South American Aquatic Insects: Hemiptera Heteroptera Illustrated Keys to Known Families Genera and Species in South America". New York: Springer, 2011. Text.