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.) CitationPetersen, Louis C. Educational Toys Consisting Chiefly of Coping-Saw Problems for Children in School and the Home. Project Gutenberg, 2013.
MLA (9th ed.) CitationPetersen, 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.