Cita APA (7a ed.)

Heal, G. M. (1993). The Economics of exhaustible resources. E. Elgar Pub.

Cita Chicago Style (17a ed.)

Heal, G. M. The Economics of Exhaustible Resources. Aldershot, Hants, England, Brookfield, Vt., USA: E. Elgar Pub, 1993.

Cita MLA (9a ed.)

Heal, G. M. The Economics of Exhaustible Resources. E. Elgar Pub, 1993.