Cita APA (7th ed.)

(1975). The Changing global environment. D. Reidel.

Cita Chicago (17th ed.)

The Changing Global Environment. Dordrecht-Holland: D. Reidel, 1975.

Cita MLA (9th ed.)

The Changing Global Environment. D. Reidel, 1975.

Atenció: Aquestes cites poden no estar 100% correctes.