APA (7th ed.) Citation

Roop,Connie. (2000). Christopher Columbus. Scholastic Reference.

Chicago Style (17th ed.) Citation

Roop,Connie. Christopher Columbus. New York,USA: Scholastic Reference, 2000.

MLA (9th ed.) Citation

Roop,Connie. Christopher Columbus. Scholastic Reference, 2000.

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