APA (7th ed.) Citation

King, Verba, & Keohane. (1994). Designing social inquiry: Scientific inference in qualitative research. Princeton University Press.

Chicago Style (17th ed.) Citation

King, Verba, and Keohane. Designing Social Inquiry: Scientific Inference in Qualitative Research. Princeton, N.J: Princeton University Press, 1994.

MLA (8th ed.) Citation

King, et al. Designing Social Inquiry: Scientific Inference in Qualitative Research. Princeton University Press, 1994.