APA

Volkert R. A., Drake A. A., . (1999). Geochemistry and Stratigraphic Relations of Middle Proterozoic Rocks of the New Jersey Highlands. : United States Government Printing office.

Chicago

Volkert R A, Drake A A, . 1999. Geochemistry and Stratigraphic Relations of Middle Proterozoic Rocks of the New Jersey Highlands. : United States Government Printing office.

Harvard

Volkert R. A., Drake A. A., . (1999). Geochemistry and Stratigraphic Relations of Middle Proterozoic Rocks of the New Jersey Highlands. : United States Government Printing office.

MLA

Volkert R A, Drake A A, . Geochemistry and Stratigraphic Relations of Middle Proterozoic Rocks of the New Jersey Highlands. : United States Government Printing office. 1999.