McGregor, D. J. (1954). Gypsum and anhydrite deposits in southwestern Indiana. [publisher not identified].
Chicago Style (17th ed.) CitationMcGregor, Duncan Junior. Gypsum and Anhydrite Deposits in Southwestern Indiana. Bloomington: [publisher not identified], 1954.
MLA (9th ed.) CitationMcGregor, Duncan Junior. Gypsum and Anhydrite Deposits in Southwestern Indiana. [publisher not identified], 1954.
Warning: These citations may not always be 100% accurate.