APA citiranje

Lovins, A. B. (1977). Soft energy paths: Toward a durable peace. New York: Penguin.

Trích dẫn kiểu Chicago

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

MLA citiranje

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