APA引文

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

Chicago Style (17th ed.) Citation

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

MLA引文

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