Lamar, J. E. Refractory clays in Calhoun and Pike counties, Illinois.
Chicago Style (17th ed.) CitationLamar, J. E. Refractory Clays in Calhoun and Pike Counties, Illinois.
MLA (9th ed.) CitationLamar, J. E. Refractory Clays in Calhoun and Pike Counties, Illinois.
Warning: These citations may not always be 100% accurate.