APA

kinney j., . (2013). diry of a wimpy kid hard luck. new york: barams book.

Chicago

kinney jeff, . 2013. diry of a wimpy kid hard luck. new york: barams book.

Harvard

kinney j., . (2013). diry of a wimpy kid hard luck. new york: barams book.

MLA

kinney jeff, . diry of a wimpy kid hard luck. new york: barams book. 2013.