APA (7th ed.) Citation

Steel Founders' Society of America. Directory of steel foundries in the United States and Canada. Steel Founders' Society of America.

Chicago Style (17th ed.) Citation

Steel Founders' Society of America. Directory of Steel Foundries in the United States and Canada. Cleveland: Steel Founders' Society of America.

MLA (9th ed.) Citation

Steel Founders' Society of America. Directory of Steel Foundries in the United States and Canada. Steel Founders' Society of America.

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