Lua APA (7ú heag.)

CRAWFORD, M., & MARS, D. (1989). The Driving force: Food, evolution and the future. Harper and Row.

Lua i Stíl Chicago (17ú heag.)

CRAWFORD, Michael, agus David MARS. The Driving Force: Food, Evolution and the Future. New York: Harper and Row, 1989.

Lua MLA (9ú heag.)

CRAWFORD, Michael, agus David MARS. The Driving Force: Food, Evolution and the Future. Harper and Row, 1989.

Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.