Cita APA

Langbein, L., & Lichtman, A. (1978). Ecological inference. Sage.

Citación estilo Chicago

Langbein, Laura, y Allan Lichtman. Ecological Inference. California: Sage, 1978.

Cita MLA

Langbein, Laura, y Allan Lichtman. Ecological Inference. Sage, 1978.