APA (7th ed.) Citation

Petersen, L. C. (2013). Educational Toys Consisting Chiefly of Coping-Saw Problems for Children in School and the Home. Project Gutenberg.

Chicago Style (17th ed.) Citation

Petersen, Louis C. Educational Toys Consisting Chiefly of Coping-Saw Problems for Children in School and the Home. Project Gutenberg, 2013.

MLA (9th ed.) Citation

Petersen, Louis C. Educational Toys Consisting Chiefly of Coping-Saw Problems for Children in School and the Home. Project Gutenberg, 2013.

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