Markle, S. (2010). Grizzly bears. Lerner Publications Company.
Cita Chicago Style (17a ed.)Markle, Sandra. Grizzly Bears. Minneapolis, Minn.: Lerner Publications Company, 2010.
Cita MLA (8a ed.)Markle, Sandra. Grizzly Bears. Lerner Publications Company, 2010.
Precaución: Estas citas no son 100% exactas.