APA

Smith M. G., Bustin R. M. & Bustin R. M.Late devonian and early mississippian bakken and exshaw black shale source rocks, western Canada sedimentary basin. : .

Chicago

Smith Mark G, Bustin R Marc and Bustin R Marc.Late devonian and early mississippian bakken and exshaw black shale source rocks, western Canada sedimentary basin. : .

Harvard

Smith M. G., Bustin R. M. and Bustin R. M.Late devonian and early mississippian bakken and exshaw black shale source rocks, western Canada sedimentary basin. : .

MLA

Smith Mark G, Bustin R Marc and Bustin R Marc.: . .