Cita APA (7a ed.)
Barbour, I. G. (1976). Finite resources and the human future. Augsburg.
Cita Chicago Style (17a ed.)
Barbour, Ian G. Finite Resources and the Human Future. Minnesota: Augsburg, 1976.
Cita MLA (9a ed.)
Barbour, Ian G. Finite Resources and the Human Future. Augsburg, 1976.
Precaución: Estas citas no son 100% exactas.