APA (7th ed.) Citation

Blalock, H. M., & Wilken, P. H. (1979). Intergroup processes: A micro-macro perspective. The Free Press.

Chicago Style (17th ed.) Citation

Blalock, Hubert M., and Paul H. Wilken. Intergroup Processes: A Micro-macro Perspective. New York [u.a.]: The Free Press, 1979.

MLA (8th ed.) Citation

Blalock, Hubert M., and Paul H. Wilken. Intergroup Processes: A Micro-macro Perspective. The Free Press, 1979.