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American Psychological Association (APA):

roly poly. (n.d.). Dictionary.com Unabridged (v 1.1). Retrieved February 23, 2007, from Dictionary.com website: http://dictionary.reference.com/browse/roly poly

Chicago Manual Style (CMS):

roly poly. Dictionary.com. Dictionary.com Unabridged (v 1.1). Random House, Inc. http://dictionary.reference.com/browse/roly poly (accessed: February 23, 2007).

Modern Language Association (MLA):

"roly poly."Dictionary.com Unabridged (v 1.1). Random House, Inc. 23 Feb. 2007.<Dictionary.com http://dictionary.reference.com/browse/roly poly>.