APA (7th ed.) Citation

Keystone View Company. (1925). American history: Teachers's guide. Keystone View Co..

Chicago Style (17th ed.) Citation

Keystone View Company. American History: Teachers's Guide. Meadville, Penn.: Keystone View Co., 1925.

MLA (9th ed.) Citation

Keystone View Company. American History: Teachers's Guide. Keystone View Co., 1925.

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