APA引文

Siebörger, R. F. (1975). The recruitment and organization of African labor for the Kimberley Diamond Mines, 1871-1888.

Chicago Style (17th ed.) Citation

Siebörger, Robert Frederick. The Recruitment and Organization of African Labor for the Kimberley Diamond Mines, 1871-1888. 1975.

MLA引文

Siebörger, Robert Frederick. The Recruitment and Organization of African Labor for the Kimberley Diamond Mines, 1871-1888. 1975.

警告：这些引文格式不一定是100％准确.