APA

Hargreaves R., . (2011). Mr. Tickle. New York: Price Stern Sloan.

Chicago

Hargreaves Roger, . 2011. Mr. Tickle. New York: Price Stern Sloan.

Harvard

Hargreaves R., . (2011). Mr. Tickle. New York: Price Stern Sloan.

MLA

Hargreaves Roger, . Mr. Tickle. New York: Price Stern Sloan. 2011.