APA (7th ed.) Citation

Bond, M., & Fortnum, P. (2015). Paddington helps out (First Harper US edition.). Harper.

Chicago Style (17th ed.) Citation

Bond, Michael, and Peggy Fortnum. Paddington Helps Out. First Harper US edition. New York, NY: Harper, 2015.

MLA (9th ed.) Citation

Bond, Michael, and Peggy Fortnum. Paddington Helps Out. First Harper US edition. Harper, 2015.

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