APA (7th ed.) Citation

Davis, K. (2016). A riddle in Ruby (First Greenwillow paperback edition.). Greenwillow Books, an imprint of HarperCollins Publishers.

Chicago Style (17th ed.) Citation

Davis, Kent. A Riddle in Ruby. First Greenwillow paperback edition. New York, NY: Greenwillow Books, an imprint of HarperCollins Publishers, 2016.

MLA (8th ed.) Citation

Davis, Kent. A Riddle in Ruby. First Greenwillow paperback edition. Greenwillow Books, an imprint of HarperCollins Publishers, 2016.

Warning: These citations may not always be 100% accurate.