APA Citation

Pettke, C. R. (1919). Glass manufacture and the glass sand industry of Penna. Harrisburg.

Chicago Style Citation

Pettke, Charles Reinhard. Glass Manufacture and the Glass Sand Industry of Penna. Harrisburg, 1919.

MLA Citation

Pettke, Charles Reinhard. Glass Manufacture and the Glass Sand Industry of Penna. Harrisburg, 1919.

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