Cita APA

Sampson, A. (1975). The seven sister; the great oil companies & the world the shaped. US: Bantam Books, New York.

Citación estilo Chicago

Sampson, Antony. The Seven Sister; the Great Oil Companies & the World the Shaped. US: Bantam Books, New York, 1975.

Cita MLA

Sampson, Antony. The Seven Sister; the Great Oil Companies & the World the Shaped. US: Bantam Books, New York, 1975.