APA引文

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

Chicago Edition Citation

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

MLA引文

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

警告：這些引文格式不一定是100％准確.