APA (7th ed.) Citation

O'Neill, B. J. (1976). Greater Pittsburgh region properties and uses of clays and shales. The Bureau : may be purchased from State Book Store.

Chicago Style (17th ed.) Citation

O'Neill, Bernard J. Greater Pittsburgh Region Properties and Uses of Clays and Shales. Harrisburg: The Bureau : may be purchased from State Book Store, 1976.

MLA (9th ed.) Citation

O'Neill, Bernard J. Greater Pittsburgh Region Properties and Uses of Clays and Shales. The Bureau : may be purchased from State Book Store, 1976.