Cita APA (7th ed.)

FOSTER, J. (1981). Energy for development: An international challenge. Praeger.

Cita Chicago (17th ed.)

FOSTER, John. Energy for Development: An International Challenge. New York: Praeger, 1981.

Cita MLA (9th ed.)

FOSTER, John. Energy for Development: An International Challenge. Praeger, 1981.

Atenció: Aquestes cites poden no estar 100% correctes.