APA (7th ed.) Citation

Letchworth, W. P. (1893). History of child-saving work in the state of New York.

Chicago Style (17th ed.) Citation

Letchworth, William Pryor. History of Child-saving Work in the State of New York. Boston, 1893.

MLA (8th ed.) Citation

Letchworth, William Pryor. History of Child-saving Work in the State of New York. 1893.