APA (7th ed.) Citation

O'Brien, C. (2019). Scholastic 2020 book of world records (Fifth edition, updated 2020 edition.). Scholastic Inc..

Chicago Style (17th ed.) Citation

O'Brien, Cynthia. Scholastic 2020 Book of World Records. Fifth edition, updated 2020 edition. New York, NY: Scholastic Inc., 2019.

MLA (8th ed.) Citation

O'Brien, Cynthia. Scholastic 2020 Book of World Records. Fifth edition, updated 2020 edition. Scholastic Inc., 2019.

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