APA

root b., . (2006). my grandpa is great. bath bal: parragon publishing book.

Chicago

root betty, . 2006. my grandpa is great. bath bal: parragon publishing book.

Harvard

root b., . (2006). my grandpa is great. bath bal: parragon publishing book.

MLA

root betty, . my grandpa is great. bath bal: parragon publishing book. 2006.