APA (7th ed.) Citation

Rubenstein, R. E. ([1988]). Group violence in America. Working paper.

Chicago Style (17th ed.) Citation

Rubenstein, Richard E. "Group Violence in America." Working Paper [1988].

MLA (9th ed.) Citation

Rubenstein, Richard E. "Group Violence in America." Working Paper, [1988].

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