The great treasure hunt /
[Rose Mary Berlin ; Marcia Leonard, illustrator].

APA Citation

Berlin, R. Mary., Pfister, M., Leonard, M. (2002). The great treasure hunt. New York: Night Sky Books.

MLA Citation

Berlin, Rose Mary, Marcus Pfister, and Marcia Leonard. The Great Treasure Hunt. New York: Night Sky Books, 2002.

Warning: These citations may not always be complete (especially for serials).