APA (7th ed.) Citation

Carroll, L., & Oxenbury, H. (1999). Humpty Dumpty. Walker Books Ltd..

Chicago Style (17th ed.) Citation

Carroll, Lewis, and Helen Oxenbury. Humpty Dumpty. London: Walker Books Ltd., 1999.

MLA (8th ed.) Citation

Carroll, Lewis, and Helen Oxenbury. Humpty Dumpty. Walker Books Ltd., 1999.

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