O'Brien, C. (2019). Scholastic 2020 book of world records (Fifth edition, updated 2020 edition.). Scholastic Inc..
Style de citation Chicago (17e éd.)O'Brien, Cynthia. Scholastic 2020 Book of World Records. Fifth edition, updated 2020 edition. New York, NY: Scholastic Inc., 2019.
Style de citation MLA (8e éd.)O'Brien, Cynthia. Scholastic 2020 Book of World Records. Fifth edition, updated 2020 edition. Scholastic Inc., 2019.
Attention : ces citations peuvent ne pas être correctes à 100%.