McNall, P. E. (1964). Our natural resources (2nd edition.). Interstate Printers.
Chicago Style (17th ed.) CitationMcNall, Preston Essex. Our Natural Resources. 2nd edition. Danville, Illinois: Interstate Printers, 1964.
MLA (9th ed.) CitationMcNall, Preston Essex. Our Natural Resources. 2nd edition. Interstate Printers, 1964.
Warning: These citations may not always be 100% accurate.