Cita APA

Wirt. Frederick M., Brakeman, L. F., & Morey, R. D. (1970). Introductory problems in political research. New York: Prentice-Hall.

Citación estilo Chicago

Wirt. Frederick M., Louis F. Brakeman, y Roy D. Morey. Introductory Problems in Political Research. New York: Prentice-Hall, 1970.

Cita MLA

Wirt. Frederick M., Louis F. Brakeman, y Roy D. Morey. Introductory Problems in Political Research. New York: Prentice-Hall, 1970.