APA Style
Roberts, Robert J., Davis, Adam M.. ().
Geologic Map database of the Washington DC Area Featuring data from Three 30 x 60 Minute Quadrangles :[computer file]. Frederick, Washington West, and Fredericksburg. .
:
.
Chicago Style
Roberts, Robert J., Davis, Adam M..
Geologic Map database of the Washington DC Area Featuring data from Three 30 x 60 Minute Quadrangles :[computer file]. Frederick, Washington West, and Fredericksburg..
:
,
.
.
MLA Style
Roberts, Robert J., Davis, Adam M..
Geologic Map database of the Washington DC Area Featuring data from Three 30 x 60 Minute Quadrangles :[computer file]. Frederick, Washington West, and Fredericksburg..
:
,
.
.
Turabian Style
Roberts, Robert J., Davis, Adam M..
Geologic Map database of the Washington DC Area Featuring data from Three 30 x 60 Minute Quadrangles :[computer file]. Frederick, Washington West, and Fredericksburg..
:
,
.
.