APA Citation

Friedman, J. (1982). The evolution of social systems (1. publ., 2. impr.). London.

Chicago Style Citation

Friedman, J. The Evolution of Social Systems. 1. publ., 2. impr. London, 1982.

MLA Citation

Friedman, J. The Evolution of Social Systems. 1. publ., 2. impr. London, 1982.

Warning: These citations may not always be 100% accurate.