The castle builders,
by Charles Clark Munn, illustrated by Frank T. Merrill.

APA Citation

Munn, C. Clark. (1910). The castle builders. New York: Grosset & Dunlap, publishers.

MLA Citation

Munn, Charles Clark, 1848-1917. The Castle Builders. New York: Grosset & Dunlap, publishers, 1910.

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