Cita APA (7a ed.)
Lannoo, M. Amphibian Declines: The Consevation Status of United States Species. University of California.
Cita estilo Chicago (17a ed.)
Lannoo, Michael. Amphibian Declines: The Consevation Status of United States Species. Berkeley, EUA: University of California.
Cita MLA (9a ed.)
Lannoo, Michael. Amphibian Declines: The Consevation Status of United States Species. University of California.
Precaución: Estas citas no son 100% exactas.