APA استشهاد

Blalock, H. (1971). Casual Models in the Social Science. Macmillan.

استشهاد بنمط شيكاغو

Blalock, H.M. Casual Models in the Social Science. London: Macmillan, 1971.

MLA استشهاد

Blalock, H.M. Casual Models in the Social Science. Macmillan, 1971.