Grabenstein, C. (2011). The black heart crypt. Random House Books for Young Readers.
Cita Chicago Style (17a ed.)Grabenstein, Chris. The Black Heart Crypt. New York: Random House Books for Young Readers, 2011.
Cita MLA (8a ed.)Grabenstein, Chris. The Black Heart Crypt. Random House Books for Young Readers, 2011.
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