Citazione Stile APA (7a Edizione)

Levine, S., & Elzey, F. F. (1976). A programmed introduction to research (2nd ed.). Wadsworth Pub. Co.

Citazione stile Chigago Style (17a edizione)

Levine, Samuel, e Freeman F. Elzey. A Programmed Introduction to Research. 2nd ed. Belmont, Calif: Wadsworth Pub. Co, 1976.

Citatione MLA (9a ed.)

Levine, Samuel, e Freeman F. Elzey. A Programmed Introduction to Research. 2nd ed. Wadsworth Pub. Co, 1976.