Townsend, E. R. (2004). Rattlesnakes. Pebble Books.
Cita Chicago Style (17a ed.)Townsend, Emily Rose. Rattlesnakes. Mankato, Minn.: Pebble Books, 2004.
Cita MLA (8a ed.)Townsend, Emily Rose. Rattlesnakes. Pebble Books, 2004.
Precaución: Estas citas no son 100% exactas.