Gaya APA

Blalock, H, M., Wilken, P, H. (1979). Intergroup processes, a micro-macro perspectives . New York: The Free Press.

Gaya MLA

Blalock, Hubert, M.., Wilken, Paul, H.. "Intergroup processes, a micro-macro perspectives". New York: The Free Press, 1979. Printed Book.