Cita APA (7th ed.)

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

Cita Chicago (17th ed.)

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

Cita MLA (9th ed.)

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