APA引文

Gregg, A. (1956). The Future Health Officer's Responsibility: Past, Present, and Future.

Citação norma Chicago

Gregg, Alan. The Future Health Officer's Responsibility: Past, Present, and Future. 1956.

MLA引文

Gregg, Alan. The Future Health Officer's Responsibility: Past, Present, and Future. 1956.

警告：這些引文格式不一定是100％准確.