A hippopotamusn't and other animal verses /
by J. Patrick Lewis ; pictures by Victoria Chess.
APA Citation
Lewis, J. Patrick., Chess, V. (1990). A hippopotamusn't and other animal verses. New York: Dial Books for Young Readers.
MLA Citation
Lewis, J. Patrick, and Victoria Chess. A Hippopotamusn't And Other Animal Verses. New York: Dial Books for Young Readers, 1990.
Warning: These citations may not always be complete (especially for serials).