Citazione Stile APA (7a Edizione)

Lauer, R. H. (1998). Social problems and the quality of life (7th ed.).

Citazione stile Chigago Style (17a edizione)

Lauer, Rober H. Social Problems and the Quality of Life. 7th ed. McGraw-Hill, 1998.

Citatione MLA (9a ed.)

Lauer, Rober H. Social Problems and the Quality of Life. 7th ed. 1998.