APA

Lewan M., Henry M., Higley D., Henry M. & Higley D.Material-balance assesment of the New Albany-Chesterian petroleum system of the Illinois basin. : .

Chicago

Lewan M.D, Henry M.E, Higley D.K, Henry M.E and Higley D.K.Material-balance assesment of the New Albany-Chesterian petroleum system of the Illinois basin. : .

Harvard

Lewan M., Henry M., Higley D., Henry M. and Higley D.Material-balance assesment of the New Albany-Chesterian petroleum system of the Illinois basin. : .

MLA

Lewan M.D, Henry M.E, Higley D.K, Henry M.E and Higley D.K.: . .