Citazione Stile APA (7a Edizione)

Landis, J. R. (1989). Sociology: Concepts and characteristics (7th ed.). Wadsworth Pub. Co.

Citazione stile Chigago Style (17a edizione)

Landis, Judson R. Sociology: Concepts and Characteristics. 7th ed. Belmont, Calif: Wadsworth Pub. Co, 1989.

Citatione MLA (9a ed.)

Landis, Judson R. Sociology: Concepts and Characteristics. 7th ed. Wadsworth Pub. Co, 1989.