APA (7th ed.) Citation

Langbein, L. I., & Lichtman, A. J. (1978). Ecological inference. SAGE.

Chicago Style (17th ed.) Citation

Langbein, Laura Irwin, and Allan J. Lichtman. Ecological Inference. Newbury Park, [Calif.] ; London: SAGE, 1978.

MLA (9th ed.) Citation

Langbein, Laura Irwin, and Allan J. Lichtman. Ecological Inference. SAGE, 1978.