APA

Barrera-Rey F., Seymour A. & Seymour A. (1996). The brent contract for differences (CFD). Oxford: Oxford Institute for Energy Studies.

Chicago

Barrera-Rey Fernando, Seymour Adam and Seymour Adam. 1996. The brent contract for differences (CFD). Oxford: Oxford Institute for Energy Studies.

Harvard

Barrera-Rey F., Seymour A. and Seymour A. (1996). The brent contract for differences (CFD). Oxford: Oxford Institute for Energy Studies.

MLA

Barrera-Rey Fernando, Seymour Adam and Seymour Adam. The brent contract for differences (CFD). Oxford: Oxford Institute for Energy Studies. 1996.