APA Citation

Knox, J., & Potter, O. Gunite in the Calumet and Hecla mines.

Chicago Style Citation

Knox, John., and Ocha Potter. Gunite in the Calumet and Hecla Mines.

MLA Citation

Knox, John., and Ocha Potter. Gunite in the Calumet and Hecla Mines.

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