APA (7th ed.) Zitazioa

Ellingstad, V., & Heimstra, N. W. (1974). Methods in the study of human behavior. Brooks/Cole.

Chicago Style (17th ed.) Zitazioa

Ellingstad, Vernon, eta Norman W. Heimstra. Methods in the Study of Human Behavior. Monterey: Brooks/Cole, 1974.

MLA (9th ed.) Zitazioa

Ellingstad, Vernon, eta Norman W. Heimstra. Methods in the Study of Human Behavior. Brooks/Cole, 1974.