APA

Johnson C. L., Greene T. J., Zinniker D. A., Greene T. J. & Zinniker D. A.Geochemical characteristics and correlation of oil and nonmarine source rocks from Mongolia. : .

Chicago

Johnson Cari L, Greene Todd J, Zinniker David A, Greene Todd J and Zinniker David A.Geochemical characteristics and correlation of oil and nonmarine source rocks from Mongolia. : .

Harvard

Johnson C. L., Greene T. J., Zinniker D. A., Greene T. J. and Zinniker D. A.Geochemical characteristics and correlation of oil and nonmarine source rocks from Mongolia. : .

MLA

Johnson Cari L, Greene Todd J, Zinniker David A, Greene Todd J and Zinniker David A.: . .