APA-viite (7. p.)

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

Chicago-viite (17. p.)

Langbein, Laura Irwin, ja Allan J. Lichtman. Ecological Inference. Beverly Hills, Calif: Sage Publications, 1978.

MLA-viite (9. p.)

Langbein, Laura Irwin, ja Allan J. Lichtman. Ecological Inference. Sage Publications, 1978.