APA

Ryder R. T., Burruss R. C. & Burruss R. C.Black shale source rocks and oil generation in the cambrian and ordovician of the Central Appalachian Basin, USA. : .

Chicago

Ryder Robert T, Burruss Robert C and Burruss Robert C.Black shale source rocks and oil generation in the cambrian and ordovician of the Central Appalachian Basin, USA. : .

Harvard

Ryder R. T., Burruss R. C. and Burruss R. C.Black shale source rocks and oil generation in the cambrian and ordovician of the Central Appalachian Basin, USA. : .

MLA

Ryder Robert T, Burruss Robert C and Burruss Robert C.: . .