APA

Kepes J., Rodgers B. & Van Meurs P. (42011). Gas prices, other factors indicate changes in North American/shale play fiscal systems. : .

Chicago

Kepes Jerry, Rodgers Barry and Van Meurs Pedro. 42011. Gas prices, other factors indicate changes in North American/shale play fiscal systems. : .

Harvard

Kepes J., Rodgers B. and Van Meurs P. (42011). Gas prices, other factors indicate changes in North American/shale play fiscal systems. : .

MLA

Kepes Jerry, Rodgers Barry and Van Meurs Pedro. Gas prices, other factors indicate changes in North American/shale play fiscal systems. : . 42011.