Berenstain, J. The Berenstain Bears at the Aquarium. Harpercollins.
Cita Chicago Style (17a ed.)Berenstain, Jan. The Berenstain Bears at the Aquarium. Harpercollins.
Cita MLA (8a ed.)Berenstain, Jan. The Berenstain Bears at the Aquarium. Harpercollins.
Precaución: Estas citas no son 100% exactas.