APA (7th ed.) Citation

Pratt, M. L. (1891). Columbus and De Soto. Young Folks' Library of American History.

Chicago Style (17th ed.) Citation

Pratt, Mara L. Columbus and De Soto. Young Folks' Library of American History. 1891.

MLA (9th ed.) Citation

Pratt, Mara L. Columbus and De Soto. Young Folks' Library of American History. 1891.

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