APA (7th ed.) Zitazioa

Smoke, J. (1985). Turning points. Harvest House.

Chicago Style (17th ed.) Zitazioa

Smoke, Jim. Turning Points. Eugene, Or.: Harvest House, 1985.

MLA (9th ed.) Zitazioa

Smoke, Jim. Turning Points. Harvest House, 1985.