Cita APA (7th ed.)

Lovins, A. B. (1977). Soft energy paths: Toward a durable peace. Harper & Row.

Cita Chicago (17th ed.)

Lovins, Amory B. Soft Energy Paths: Toward a Durable Peace. New York: Harper & Row, 1977.

Cita MLA (9th ed.)

Lovins, Amory B. Soft Energy Paths: Toward a Durable Peace. Harper & Row, 1977.