APA引文

Hardin, C. M. (1969). Overcoming world hunger. Feffer abd simoo.

Chicago Edition Citation

Hardin, Clifford M. Overcoming World Hunger. Bombay: Feffer abd simoo, 1969.

MLA引文

Hardin, Clifford M. Overcoming World Hunger. Feffer abd simoo, 1969.

警告：這些引文格式不一定是100％准確.