APA Style

Rylant, C., Stevenson, S. (1998). Henry and Mudge and the sneaky crackers : the sixteenth book of their adventures . New York, USA: Scholastic Inc.

MLA Style

Rylant, Cynthia., Stevenson, Sucie. "Henry and Mudge and the sneaky crackers : the sixteenth book of their adventures". New York, USA: Scholastic Inc, 1998. Text.