APA引文

Kelty, M. G. How our civilization began. Ginn and Co..

Chicago Style (17th ed.) Citation

Kelty, Mary G. How Our Civilization Began. Boston ; New York, [etc]: Ginn and Co..

MLA引文

Kelty, Mary G. How Our Civilization Began. Ginn and Co..

警告：这些引文格式不一定是100％准确.