APA引文

Carvajal,Manuel. (1976). Population growth and human productivity. Center for Latin American Studies.

Chicago Edition Citation

Carvajal,Manuel. Population Growth and Human Productivity. Florida: Center for Latin American Studies, 1976.

MLA引文

Carvajal,Manuel. Population Growth and Human Productivity. Center for Latin American Studies, 1976.

警告：這些引文格式不一定是100％准確.