Cita APA

Langbein, L. I., & Lichtman, A. J. (1978). Ecological inference. Beverly Hills, Calif.: SAGE.

Citación estilo Chicago

Langbein, Laura Irwin, y Allan J. Lichtman. Ecological Inference. Beverly Hills, Calif.: SAGE, 1978.

Cita MLA

Langbein, Laura Irwin, y Allan J. Lichtman. Ecological Inference. Beverly Hills, Calif.: SAGE, 1978.